| Country | Total |
| Bahama (BS) | _ |
| Bahrain (BH) | _ |
| Bangladesh (BD) | 3 |
| Barbados (BB) | 8 |
| Belarus (BY) | 4 |
| Belgium (BE) | 224 |
| Belize (BZ) | 1 |
| Benin (BJ) | 4 |
| Bermuda (BM) | 2 |
| Bhutan (BT) | 1 |
| Bolivia (BO) | 3 |
| Bosnia and Herzegovina (BA) | 1 |
| Botswana (BW) | _ |
| Brazil (BR) | 73 |
| British Virgin Islands (VG) | _ |
| Brunei Darussalam (BN) | _ |
| Bulgaria (BG) | 21 |
| Burkina Faso (BF) | _ |
| Burundi (BI) | 4 |