SELECT currency_in('aed');
 currency_in 
-------------
 AED
(1 row)

SELECT currency_in('afn');
 currency_in 
-------------
 AFN
(1 row)

SELECT currency_in('all');
 currency_in 
-------------
 ALL
(1 row)

SELECT currency_in('amd');
 currency_in 
-------------
 AMD
(1 row)

SELECT currency_in('ang');
 currency_in 
-------------
 ANG
(1 row)

SELECT currency_in('aoa');
 currency_in 
-------------
 AOA
(1 row)

SELECT currency_in('ars');
 currency_in 
-------------
 ARS
(1 row)

SELECT currency_in('aud');
 currency_in 
-------------
 AUD
(1 row)

SELECT currency_in('awg');
 currency_in 
-------------
 AWG
(1 row)

SELECT currency_in('azn');
 currency_in 
-------------
 AZN
(1 row)

SELECT currency_in('bam');
 currency_in 
-------------
 BAM
(1 row)

SELECT currency_in('bbd');
 currency_in 
-------------
 BBD
(1 row)

SELECT currency_in('bdt');
 currency_in 
-------------
 BDT
(1 row)

SELECT currency_in('bgn');
 currency_in 
-------------
 BGN
(1 row)

SELECT currency_in('bhd');
 currency_in 
-------------
 BHD
(1 row)

SELECT currency_in('bif');
 currency_in 
-------------
 BIF
(1 row)

SELECT currency_in('bmd');
 currency_in 
-------------
 BMD
(1 row)

SELECT currency_in('bnd');
 currency_in 
-------------
 BND
(1 row)

SELECT currency_in('bob');
 currency_in 
-------------
 BOB
(1 row)

SELECT currency_in('brl');
 currency_in 
-------------
 BRL
(1 row)

SELECT currency_in('bsd');
 currency_in 
-------------
 BSD
(1 row)

SELECT currency_in('btn');
 currency_in 
-------------
 BTN
(1 row)

SELECT currency_in('bwp');
 currency_in 
-------------
 BWP
(1 row)

SELECT currency_in('byn');
 currency_in 
-------------
 BYN
(1 row)

SELECT currency_in('byr');
 currency_in 
-------------
 BYR
(1 row)

SELECT currency_in('bzd');
 currency_in 
-------------
 BZD
(1 row)

SELECT currency_in('cad');
 currency_in 
-------------
 CAD
(1 row)

SELECT currency_in('cdf');
 currency_in 
-------------
 CDF
(1 row)

SELECT currency_in('chf');
 currency_in 
-------------
 CHF
(1 row)

SELECT currency_in('clp');
 currency_in 
-------------
 CLP
(1 row)

SELECT currency_in('cny');
 currency_in 
-------------
 CNY
(1 row)

SELECT currency_in('cop');
 currency_in 
-------------
 COP
(1 row)

SELECT currency_in('crc');
 currency_in 
-------------
 CRC
(1 row)

SELECT currency_in('cuc');
 currency_in 
-------------
 CUC
(1 row)

SELECT currency_in('cup');
 currency_in 
-------------
 CUP
(1 row)

SELECT currency_in('cve');
 currency_in 
-------------
 CVE
(1 row)

SELECT currency_in('czk');
 currency_in 
-------------
 CZK
(1 row)

SELECT currency_in('djf');
 currency_in 
-------------
 DJF
(1 row)

SELECT currency_in('dkk');
 currency_in 
-------------
 DKK
(1 row)

SELECT currency_in('dop');
 currency_in 
-------------
 DOP
(1 row)

SELECT currency_in('dzd');
 currency_in 
-------------
 DZD
(1 row)

SELECT currency_in('egp');
 currency_in 
-------------
 EGP
(1 row)

SELECT currency_in('ern');
 currency_in 
-------------
 ERN
(1 row)

SELECT currency_in('etb');
 currency_in 
-------------
 ETB
(1 row)

SELECT currency_in('eur');
 currency_in 
-------------
 EUR
(1 row)

SELECT currency_in('fjd');
 currency_in 
-------------
 FJD
(1 row)

SELECT currency_in('fkp');
 currency_in 
-------------
 FKP
(1 row)

SELECT currency_in('gbp');
 currency_in 
-------------
 GBP
(1 row)

SELECT currency_in('gel');
 currency_in 
-------------
 GEL
(1 row)

SELECT currency_in('ggp');
 currency_in 
-------------
 GGP
(1 row)

SELECT currency_in('ghs');
 currency_in 
-------------
 GHS
(1 row)

SELECT currency_in('gip');
 currency_in 
-------------
 GIP
(1 row)

SELECT currency_in('gmd');
 currency_in 
-------------
 GMD
(1 row)

SELECT currency_in('gnf');
 currency_in 
-------------
 GNF
(1 row)

SELECT currency_in('gtq');
 currency_in 
-------------
 GTQ
(1 row)

SELECT currency_in('gyd');
 currency_in 
-------------
 GYD
(1 row)

SELECT currency_in('hkd');
 currency_in 
-------------
 HKD
(1 row)

SELECT currency_in('hnl');
 currency_in 
-------------
 HNL
(1 row)

SELECT currency_in('hrk');
 currency_in 
-------------
 HRK
(1 row)

SELECT currency_in('htg');
 currency_in 
-------------
 HTG
(1 row)

SELECT currency_in('huf');
 currency_in 
-------------
 HUF
(1 row)

SELECT currency_in('idr');
 currency_in 
-------------
 IDR
(1 row)

SELECT currency_in('ils');
 currency_in 
-------------
 ILS
(1 row)

SELECT currency_in('imp');
 currency_in 
-------------
 IMP
(1 row)

SELECT currency_in('inr');
 currency_in 
-------------
 INR
(1 row)

SELECT currency_in('iqd');
 currency_in 
-------------
 IQD
(1 row)

SELECT currency_in('irr');
 currency_in 
-------------
 IRR
(1 row)

SELECT currency_in('isk');
 currency_in 
-------------
 ISK
(1 row)

SELECT currency_in('jep');
 currency_in 
-------------
 JEP
(1 row)

SELECT currency_in('jmd');
 currency_in 
-------------
 JMD
(1 row)

SELECT currency_in('jod');
 currency_in 
-------------
 JOD
(1 row)

SELECT currency_in('jpy');
 currency_in 
-------------
 JPY
(1 row)

SELECT currency_in('kes');
 currency_in 
-------------
 KES
(1 row)

SELECT currency_in('kgs');
 currency_in 
-------------
 KGS
(1 row)

SELECT currency_in('khr');
 currency_in 
-------------
 KHR
(1 row)

SELECT currency_in('kmf');
 currency_in 
-------------
 KMF
(1 row)

SELECT currency_in('kpw');
 currency_in 
-------------
 KPW
(1 row)

SELECT currency_in('krw');
 currency_in 
-------------
 KRW
(1 row)

SELECT currency_in('kwd');
 currency_in 
-------------
 KWD
(1 row)

SELECT currency_in('kyd');
 currency_in 
-------------
 KYD
(1 row)

SELECT currency_in('kzt');
 currency_in 
-------------
 KZT
(1 row)

SELECT currency_in('lak');
 currency_in 
-------------
 LAK
(1 row)

SELECT currency_in('lbp');
 currency_in 
-------------
 LBP
(1 row)

SELECT currency_in('lkr');
 currency_in 
-------------
 LKR
(1 row)

SELECT currency_in('lrd');
 currency_in 
-------------
 LRD
(1 row)

SELECT currency_in('lsl');
 currency_in 
-------------
 LSL
(1 row)

SELECT currency_in('ltl');
 currency_in 
-------------
 LTL
(1 row)

SELECT currency_in('lyd');
 currency_in 
-------------
 LYD
(1 row)

SELECT currency_in('mad');
 currency_in 
-------------
 MAD
(1 row)

SELECT currency_in('mdl');
 currency_in 
-------------
 MDL
(1 row)

SELECT currency_in('mga');
 currency_in 
-------------
 MGA
(1 row)

SELECT currency_in('mkd');
 currency_in 
-------------
 MKD
(1 row)

SELECT currency_in('mmk');
 currency_in 
-------------
 MMK
(1 row)

SELECT currency_in('mnt');
 currency_in 
-------------
 MNT
(1 row)

SELECT currency_in('mop');
 currency_in 
-------------
 MOP
(1 row)

SELECT currency_in('mro');
 currency_in 
-------------
 MRO
(1 row)

SELECT currency_in('mur');
 currency_in 
-------------
 MUR
(1 row)

SELECT currency_in('mvr');
 currency_in 
-------------
 MVR
(1 row)

SELECT currency_in('mwk');
 currency_in 
-------------
 MWK
(1 row)

SELECT currency_in('mxn');
 currency_in 
-------------
 MXN
(1 row)

SELECT currency_in('myr');
 currency_in 
-------------
 MYR
(1 row)

SELECT currency_in('mzn');
 currency_in 
-------------
 MZN
(1 row)

SELECT currency_in('nad');
 currency_in 
-------------
 NAD
(1 row)

SELECT currency_in('ngn');
 currency_in 
-------------
 NGN
(1 row)

SELECT currency_in('nio');
 currency_in 
-------------
 NIO
(1 row)

SELECT currency_in('nok');
 currency_in 
-------------
 NOK
(1 row)

SELECT currency_in('npr');
 currency_in 
-------------
 NPR
(1 row)

SELECT currency_in('nzd');
 currency_in 
-------------
 NZD
(1 row)

SELECT currency_in('omr');
 currency_in 
-------------
 OMR
(1 row)

SELECT currency_in('pab');
 currency_in 
-------------
 PAB
(1 row)

SELECT currency_in('pen');
 currency_in 
-------------
 PEN
(1 row)

SELECT currency_in('pgk');
 currency_in 
-------------
 PGK
(1 row)

SELECT currency_in('php');
 currency_in 
-------------
 PHP
(1 row)

SELECT currency_in('pkr');
 currency_in 
-------------
 PKR
(1 row)

SELECT currency_in('pln');
 currency_in 
-------------
 PLN
(1 row)

SELECT currency_in('pyg');
 currency_in 
-------------
 PYG
(1 row)

SELECT currency_in('qar');
 currency_in 
-------------
 QAR
(1 row)

SELECT currency_in('ron');
 currency_in 
-------------
 RON
(1 row)

SELECT currency_in('rsd');
 currency_in 
-------------
 RSD
(1 row)

SELECT currency_in('rub');
 currency_in 
-------------
 RUB
(1 row)

SELECT currency_in('rwf');
 currency_in 
-------------
 RWF
(1 row)

SELECT currency_in('sar');
 currency_in 
-------------
 SAR
(1 row)

SELECT currency_in('sbd');
 currency_in 
-------------
 SBD
(1 row)

SELECT currency_in('scr');
 currency_in 
-------------
 SCR
(1 row)

SELECT currency_in('sdg');
 currency_in 
-------------
 SDG
(1 row)

SELECT currency_in('sek');
 currency_in 
-------------
 SEK
(1 row)

SELECT currency_in('sgd');
 currency_in 
-------------
 SGD
(1 row)

SELECT currency_in('shp');
 currency_in 
-------------
 SHP
(1 row)

SELECT currency_in('sll');
 currency_in 
-------------
 SLL
(1 row)

SELECT currency_in('sos');
 currency_in 
-------------
 SOS
(1 row)

SELECT currency_in('spl');
 currency_in 
-------------
 SPL
(1 row)

SELECT currency_in('srd');
 currency_in 
-------------
 SRD
(1 row)

SELECT currency_in('std');
 currency_in 
-------------
 STD
(1 row)

SELECT currency_in('svc');
 currency_in 
-------------
 SVC
(1 row)

SELECT currency_in('syp');
 currency_in 
-------------
 SYP
(1 row)

SELECT currency_in('szl');
 currency_in 
-------------
 SZL
(1 row)

SELECT currency_in('thb');
 currency_in 
-------------
 THB
(1 row)

SELECT currency_in('tjs');
 currency_in 
-------------
 TJS
(1 row)

SELECT currency_in('tmt');
 currency_in 
-------------
 TMT
(1 row)

SELECT currency_in('tnd');
 currency_in 
-------------
 TND
(1 row)

SELECT currency_in('top');
 currency_in 
-------------
 TOP
(1 row)

SELECT currency_in('try');
 currency_in 
-------------
 TRY
(1 row)

SELECT currency_in('ttd');
 currency_in 
-------------
 TTD
(1 row)

SELECT currency_in('tvd');
 currency_in 
-------------
 TVD
(1 row)

SELECT currency_in('twd');
 currency_in 
-------------
 TWD
(1 row)

SELECT currency_in('tzs');
 currency_in 
-------------
 TZS
(1 row)

SELECT currency_in('uah');
 currency_in 
-------------
 UAH
(1 row)

SELECT currency_in('ugx');
 currency_in 
-------------
 UGX
(1 row)

SELECT currency_in('usd');
 currency_in 
-------------
 USD
(1 row)

SELECT currency_in('uyu');
 currency_in 
-------------
 UYU
(1 row)

SELECT currency_in('uzs');
 currency_in 
-------------
 UZS
(1 row)

SELECT currency_in('vef');
 currency_in 
-------------
 VEF
(1 row)

SELECT currency_in('vnd');
 currency_in 
-------------
 VND
(1 row)

SELECT currency_in('vuv');
 currency_in 
-------------
 VUV
(1 row)

SELECT currency_in('wst');
 currency_in 
-------------
 WST
(1 row)

SELECT currency_in('xaf');
 currency_in 
-------------
 XAF
(1 row)

SELECT currency_in('xcd');
 currency_in 
-------------
 XCD
(1 row)

SELECT currency_in('xdr');
 currency_in 
-------------
 XDR
(1 row)

SELECT currency_in('xof');
 currency_in 
-------------
 XOF
(1 row)

SELECT currency_in('xpf');
 currency_in 
-------------
 XPF
(1 row)

SELECT currency_in('yer');
 currency_in 
-------------
 YER
(1 row)

SELECT currency_in('zar');
 currency_in 
-------------
 ZAR
(1 row)

SELECT currency_in('zmw');
 currency_in 
-------------
 ZMW
(1 row)

SELECT currency_in('zwd');
 currency_in 
-------------
 ZWD
(1 row)

SELECT currency_in('zzz');
ERROR:  unknown currency type: zzz