| Country | Total |
| Cambodia (KH) | 2 |
| Cameroon (CM) | 24 |
| Canada (CA) | 31 |
| Cape Verde (CV) | 8 |
| Cayman Islands (KY) | _ |
| Central African Republic (CF) | _ |
| Chad (TD) | 2 |
| Chile (CL) | 55 |
| China (CN) | 17 |
| Colombia (CO) | 96 |
| Comoros (KM) | _ |
| Congo (CG) | 1 |
| Congo, the Democratic Republic of the (CD) | 2 |
| Costa Rica (CR) | 22 |
| Côte D'ivoire (Ivory Coast) (CI) | 13 |
| Croatia (HR) | 19 |
| Cuba (CU) | 2 |
| Cyprus (CY) | 3 |
| Czech Republic (CZ) | 57 |
| Czechoslovakia (CS) | _ |