Compared using riders in our road results for each year. Changes in recorded riders do not confirm a transfer or retirement.
| 6 | 17 | 3,163 | |
| 0 | 5 | 1,759 | |
| 0 | 1 | 1,706 | |
| 0 | 3 | 1,275 | |
| 0 | 1 | 894 | |
| 1 | 4 | 747 | |
| 0 | 3 | 663 | |
| 1 | 3 | 643 | |
| 0 | 1 | 571 | |
| 1 | 3 | 510 | |
| 0 | 0 | 422 | |
| 0 | 0 | 399 | |
| 0 | 1 | 331 | |
| 0 | 1 | 241 | |
| 0 | 1 | 178 |

