| Country | Total |
| Cambodia (KH) | 20 |
| Cameroon (CM) | 97 |
| Canada (CA) | 2706 |
| Cape Verde (CV) | 19 |
| Caribbean Netherlands (BQ) | _ |
| Cayman Islands (KY) | 8 |
| Central African Republic (CF) | 3 |
| Chad (TD) | 9 |
| Chile (CL) | 263 |
| China (CN) | 1176 |
| Colombia (CO) | 534 |
| Comoros (KM) | _ |
| Congo (CG) | 14 |
| Congo, the Democratic Republic of the (CD) | 62 |
| Cook Islands (CK) | _ |
| Costa Rica (CR) | 123 |
| Côte D'ivoire (Ivory Coast) (CI) | 41 |
| Croatia (HR) | 279 |
| Cuba (CU) | 50 |
| Cyprus (CY) | 49 |
| Czech Republic (CZ) | 2480 |
| Czechoslovakia (CS) | 144 |