# only for reference.
# http://en.wikipedia.org/wiki/ISO_3166-1_alpha-2
#
AD: # Andorra 
AE: # United Arab Emirates 
AF: # Afghanistan 
AG: # Antigua and Barbuda 
AI: # Anguilla 
AL: # Albania 
AM: # Armenia 
AO: # Angola 
AQ: # Antarctica 
AR: # Argentina 
AS: # American Samoa 
AT: # Austria 
AU: # Australia 
AW: # Aruba 
AX: # Åland Islands
AZ: # Azerbaijan 
BA: # Bosnia and Herzegovina 
BB: # Barbados 
BD: # Bangladesh 
BE: # Belgium 
BF: # Burkina Faso 
BG: # Bulgaria 
BH: # Bahrain 
BI: # Burundi 
BJ: # Benin 
BL: # Saint Barthélemy 
BM: # Bermuda 
BN: # Brunei
BO: # Bolivia
BQ: # Caribbean Netherlands
BR: # Brazil 
BS: # The Bahamas
BT: # Bhutan 
BV: # Bouvet Island 
BW: # Botswana 
BY: # Belarus 
BZ: # Belize 
CA: # Canada 
CC: # Cocos (Keeling) Islands 
CD: # Democratic Republic of the Congo
CF: # Central African Republic 
CG: # Republic of the Congo
CH: # Switzerland 
CI: # Côte d'Ivoire
CK: # Cook Islands 
CL: # Chile 
CM: # Cameroon 
CN: # China 
CO: # Colombia 
CR: # Costa Rica 
CU: # Cuba 
CV: # Cabo Verde 
CW: # Curaçao 
CX: # Christmas Island 
CY: # Cyprus 
CZ: # Czech Republic 
DE: # Germany 
DJ: # Djibouti 
DK: # Denmark 
DM: # Dominica 
DO: # Dominican Republic 
DZ: # Algeria 
EC: # Ecuador 
EE: # Estonia 
EG: # Egypt 
EH: # Western Sahara 
ER: # Eritrea 
ES: # Spain 
ET: # Ethiopia 
FI: # Finland 
FJ: # Fiji 
FK: # Falkland Islands
FM: # Federated States of Micronesia
FO: # Faroe Islands 
FR: # France 
GA: # Gabon 
GB: # United Kingdom 
GD: # Grenada 
GE: # Georgia (country)
GF: # French Guiana 
GG: # Guernsey 
GH: # Ghana 
GI: # Gibraltar 
GL: # Greenland 
GM: # The Gambia
GN: # Guinea 
GP: # Guadeloupe 
GQ: # Equatorial Guinea 
GR: # Greece 
GS: # South Georgia and the South Sandwich Islands 
GT: # Guatemala 
GU: # Guam 
GW: # Guinea-Bissau 
GY: # Guyana 
HK: # Hong Kong 
HM: # Heard Island and McDonald Islands 
HN: # Honduras 
HR: # Croatia 
HT: # Haiti 
HU: # Hungary 
ID: # Indonesia 
IE: # Republic of Ireland
IL: # Israel 
IM: # Isle of Man 
IN: # India 
IO: # British Indian Ocean Territory 
IQ: # Iraq 
IR: # Iran
IS: # Iceland 
IT: # Italy 
JE: # Jersey 
JM: # Jamaica 
JO: # Jordan 
JP: # Japan 
KE: # Kenya 
KG: # Kyrgyzstan 
KH: # Cambodia 
KI: # Kiribati 
KM: # Comoros 
KN: # Saint Kitts and Nevis 
KP: # North Korea
KR: # South Korea
KW: # Kuwait 
KY: # Cayman Islands 
KZ: # Kazakhstan 
LA: # Laos
LB: # Lebanon 
LC: # Saint Lucia 
LI: # Liechtenstein 
LK: # Sri Lanka 
LR: # Liberia 
LS: # Lesotho 
LT: # Lithuania 
LU: # Luxembourg 
LV: # Latvia 
LY: # Libya 
MA: # Morocco 
MC: # Monaco 
MD: # Moldova
ME: # Montenegro 
MF: # Collectivity of Saint Martin
MG: # Madagascar 
MH: # Marshall Islands 
MK: # Republic of Macedonia
ML: # Mali 
MM: # Myanmar 
MN: # Mongolia 
MO: # Macau
MP: # Northern Mariana Islands 
MQ: # Martinique 
MR: # Mauritania 
MS: # Montserrat 
MT: # Malta 
MU: # Mauritius 
MV: # Maldives 
MW: # Malawi 
MX: # Mexico 
MY: # Malaysia 
MZ: # Mozambique 
NA: # Namibia 
NC: # New Caledonia 
NE: # Niger 
NF: # Norfolk Island 
NG: # Nigeria 
NI: # Nicaragua 
NL: # Netherlands 
"NO": # Norway 
NP: # Nepal 
NR: # Nauru 
NU: # Niue 
NZ: # New Zealand 
OM: # Oman 
PA: # Panama 
PE: # Peru 
PF: # French Polynesia 
PG: # Papua New Guinea 
PH: # Philippines 
PK: # Pakistan 
PL: # Poland 
PM: # Saint Pierre and Miquelon 
PN: # Pitcairn Islands
PR: # Puerto Rico 
PS: # State of Palestine
PT: # Portugal 
PW: # Palau 
PY: # Paraguay 
QA: # Qatar 
RE: # Réunion
RO: # Romania 
RS: # Serbia 
RU: # Russia
RW: # Rwanda 
SA: # Saudi Arabia 
SB: # Solomon Islands 
SC: # Seychelles 
SD: # Sudan 
SE: # Sweden 
SG: # Singapore 
SH: # Saint Helena, Ascension and Tristan da Cunha 
SI: # Slovenia 
SJ: # Svalbard and Jan Mayen 
SK: # Slovakia 
SL: # Sierra Leone 
SM: # San Marino 
SN: # Senegal 
SO: # Somalia 
SR: # Suriname 
SS: # South Sudan 
ST: # São Tomé and Príncipe
SV: # El Salvador 
SX: # Sint Maarten
SY: # Syria
SZ: # Swaziland 
TC: # Turks and Caicos Islands 
TD: # Chad 
TF: # French Southern and Antarctic Lands
TG: # Togo 
TH: # Thailand 
TJ: # Tajikistan 
TK: # Tokelau 
TL: # East Timor
TM: # Turkmenistan 
TN: # Tunisia 
TO: # Tonga 
TR: # Turkey 
TT: # Trinidad and Tobago 
TV: # Tuvalu 
TW: # Taiwan
TZ: # Tanzania
UA: # Ukraine 
UG: # Uganda 
UM: # United States Minor Outlying Islands 
US: # United States 
UY: # Uruguay 
UZ: # Uzbekistan 
VA: # Vatican City
VC: # Saint Vincent and the Grenadines 
VE: # Venezuela
VG: # British Virgin Islands
VI: # United States Virgin Islands
VN: # Vietnam
VU: # Vanuatu 
WF: # Wallis and Futuna 
WS: # Samoa 
YE: # Yemen 
YT: # Mayotte 
ZA: # South Africa 
ZM: # Zambia 
ZW: # Zimbabwe