| Country | Total |
| Bahama (BS) | _ |
| Bahrain (BH) | _ |
| Bangladesh (BD) | _ |
| Barbados (BB) | _ |
| Belarus (BY) | _ |
| Belgium (BE) | 304 |
| Belize (BZ) | _ |
| Benin (BJ) | _ |
| Bermuda (BM) | _ |
| Bhutan (BT) | _ |
| Bolivia (BO) | _ |
| Bosnia and Herzegovina (BA) | _ |
| Botswana (BW) | _ |
| Brazil (BR) | 31 |
| British Virgin Islands (VG) | _ |
| Brunei Darussalam (BN) | _ |
| Bulgaria (BG) | _ |
| Burkina Faso (BF) | _ |
| Burundi (BI) | _ |