| 1997 | 2002 | 2007 | 2012 | 2015 | 2018 | |
|---|---|---|---|---|---|---|
| Agriculture, foresterie, pêche et chasse | 3 | 3 | 2 | 2 | 2 | 2 |
| Construction | 5 | 5 | 6 | 7 | 7 | 7 |
| Fabrication | 21 | 21 | 17 | 14 | 14 | 14 |
| Services immobiliers | 11 | 10 | 10 | 11 | 11 | 11 |
| Santé et assistance sociale | 7 | 7 | 8 | 8 | 9 | 9 |
| Administrations publiques | 7 | 7 | 7 | 8 | 8 | 8 |
| Services professionnels | 4 | 5 | 5 | 6 | 6 | 6 |
| Commerce de détail | 5 | 5 | 6 | 6 | 6 | 6 |
| Finance et assurances | 5 | 5 | 6 | 6 | 6 | 6 |
| Services d'enseignement | 6 | 6 | 6 | 6 | 6 | 6 |
| Commerce de gros | 6 | 6 | 6 | 5 | 5 | 6 |
