| Country | Total |
| Cambodia (KH) | 17 |
| Cameroon (CM) | 88 |
| Canada (CA) | 2415 |
| Cape Verde (CV) | 18 |
| Caribbean Netherlands (BQ) | _ |
| Cayman Islands (KY) | 8 |
| Central African Republic (CF) | 2 |
| Chad (TD) | 4 |
| Chile (CL) | 230 |
| China (CN) | 939 |
| Colombia (CO) | _ |
| Comoros (KM) | _ |
| Congo (CG) | 23 |
| Congo, the Democratic Republic of the (CD) | 34 |
| Cook Islands (CK) | _ |
| Costa Rica (CR) | 110 |
| Côte D'ivoire (Ivory Coast) (CI) | 33 |
| Croatia (HR) | 250 |
| Cuba (CU) | 46 |
| Cyprus (CY) | 39 |
| Czech Republic (CZ) | 1981 |
| Czechoslovakia (CS) | 52 |