Races per country
Total number of races and number of different races per country.
| # | Country | #Total | #Different races | |
|---|---|---|---|---|
| 1 | United States | 139 | 52 | |
| 2 | Belgium | 46 | 21 | |
| 3 | Canada | 21 | 8 | |
| 4 | Netherlands | 11 | 6 | |
| 5 | France | 4 | 4 | |
| 6 | Luxembourg | 2 | 2 | |
| 7 | Switzerland | 1 | 1 | |
| 8 | Denmark | 1 | 1 | |
| 9 | Spain | 1 | 1 |