AA | | Vatican | - |
AB | | Albania | - |
AC | | Germany | 5 |
AD | | Angola | - |
AE | | Saudi Arabia | - |
AF | | Algeria | 2 |
AG | | Armenia | 1 |
AH | | Australia | 1 |
AI | | Austria | 2 |
AJ | | Belarus | - |
AK | | Belgium | - |
AL | | Bolivia | 2 |
AM | | Brazil | - |
AN | | Bulgaria | - |
AO | | Canada | 5 |
AP | | Czech Republic | 2 |
AQ | | Chile | - |
AR | | People's Republic of China | 1 |
AS | | Colombia | - |
AT | | Democratic Republic of Congo | - |
AU | | Republic of Korea | 3 |
AV | | Costa Rica | - |
AW | | Croatia | - |
AX | | Cuba | 1 |
AY | | Denmark | - |
AZ | | Dominican Republic | - |
BA | | Ecuador | - |
BB | | Egypt | 1 |
BC | | El Salvador | - |
BD | | United Arab Emirates | - |
BE | | Slovakia | - |
BF | | Slovenia | - |
BG | | Spain | 3 |
BH | | United States of America | 28 |
BI | | Philippines | - |
BJ | | Finland | 1 |
BK | | France | 1 |
BL | | Greece | - |
BM | | Guatemala | - |
BN | | Haiti | 1 |
BO | | Honduras | - |
BP | | Hungary | 1 |
BQ | | India | - |
BR | | Indonesia | 3 |
BS | | Iran | 1 |
BT | | Ireland | - |
BU | | Israel | - |
BV | | Italy | 1 |
BW | | Japan | - |
BX | | Kuwait | 2 |
BY | | Lebanon | - |
BZ | | Libya | - |
CA | | Lithuania | - |
CB | | Malaysia | - |
CC | | Sovereign Military Order of Malta | - |
CD | | Morocco | - |
CE | | Mexico | 3 |
CF | | Nicaragua | - |
CG | | Nigeria | - |
CH | | Norway | - |
CI | | New Zealand | - |
CJ | | Netherlands | - |
CK | | Pakistan | - |
CL | | Panama | 2 |
CM | | Paraguay | - |
CN | | Peru | 1 |
CO | | Poland | - |
CP | | Portugal | 1 |
CQ | | United Kingdom | 3 |
CR | | Romania | - |
CS | | Russia | 4 |
CT | | San Marino | - |
CU | | Serbia | - |
CV | | Syria | - |
CW | | South African Republic | - |
CX | | Sweden | - |
CY | | Switzerland | 1 |
CZ | | Thailand | - |
DA | | Tunisia | - |
DB | | Turkey | 1 |
DC | | Ukraine | - |
DD | | Uruguay | 1 |
DE | | Venezuela | - |
DF | | Vietnam | 3 |
DG | | European Union (EU) | - |
DH | | League of Arab States | 1 |
DI | | Palestinian National Authority | - |
DJ | | Azerbaijan | - |
DK | | | 1 |
DL | | | - |
DM | | | - |
DN | | | - |
DO | | | 1 |
RA | | UN High Commissioner for Refugees (UNHCR) | - |
RB | | Inter-American Development Bank | - |
RC | | World Bank | - |
RD | | Information center of the United Nations | - |
RE | | Administrative Commission for the Río de la Plata | 1 |
RF | | Administrative Commission for the Uruguay River | - |
RG | | River Paraná Joint Commission | - |
RH | | International Committee of the Red Cross (ICRC) | - |
RI | | Latin American development bank | 1 |
RJ | | International Finance Corporation | - |
RK | | Yacyretá Binational Entity | - |
RL | | United Nations International Children's Fund (UNICEF) | - |
RM | | International Monetary Fund (IMF) | - |
RN | | Inter-American Institute for Cooperation on Agriculture | - |
RO | | Organization of Ibero-American States for Education, Science and Culture | - |
RP | | Food and Agriculture Organization of the United Nations | - |
RQ | | Ibero-American Social Security Organization | - |
RR | | International Criminal Police Organization (ICPO-INTERPOL) | - |
RS | | International Labour Organization | - |
RT | | International Organization for Migration (IOM) | - |
RU | | Pan American Health Organization | - |
RV | | Joint United Nations Programme on HIV/AIDS | - |
RW | | United Nations (UN) | - |
RX | | Organization of American States | - |
RY | | Secretariat of the Antarctic Treaty | - |
XA | | Japan International Cooperation Agency | - |
XB | | Konrad Adenauer Foundation | - |
XC | | Hanns Seidel Foundation | - |
XD | | Friedrich Naumann Foundation | - |
XE | | Friedrich Ebert Foundation | - |