| Country | ISO Code | Count | |
|---|---|---|---|
| Ecuador | EC | 98 | |
| Nicaragua | NI | 86 | |
| Colombia | CO | 65 | |
| Peru | PE | 49 | |
| Costa Rica | CR | 47 | |
| Mexico | MX | 32 | |
| São Tomé and Príncipe, Principe (do not use), Sao Tome (do not use) | ST | 30 | |
| Panama | PA | 29 | |
| Bolivia | BO | 26 | |
| El Salvador | SV | 15 | |
| Brazil | BR | 13 | |
| Guatemala | GT | 9 | |
| Belize | BZ | 7 | |
| Honduras | HN | 6 | |
| TT | 6 | ||
| Caribbean | JM | 4 | |
| Venezuela | VE | 4 | |
| Aleutian Isl, Hawaiian Isl, United States | US | 3 | |
| DO | 3 | ||
| Comoros | KM | 2 | |
| Tanzania | TZ | 1 | |
| French Guiana | GF | 1 | |
| Puerto Rico | PR | 1 | |
| Paraguay | PY | 1 | |
| Total | 538 |