| Industry groups |
1990 |
2000 |
2003 |
| 1. Average income by industry |
10.19 |
14.00 |
15.35 |
| 2. Natural resources and extractive industries |
13.40 |
16.55 |
17.58 |
| 3. Construction work |
13.42 |
17.48 |
18.95 |
| 4. Manufacturing industry |
10.78 |
14.32 |
15.74 |
| 5. Trade, transport, utilities |
9.83 |
13.31 |
14.34 |
| 6. Information |
13.40 |
19.07 |
21.01 |
| 7. Financial activities |
9.99 |
14.98 |
17.13 |
| 8. Professional and business services |
11.14 |
15.52 |
17.20 |
| 9. Education and healthcare |
10.00 |
13.95 |
15.64 |
| 10. Recreation and entertainment |
5.88 |
8.11 |
8.76 |
| 11. Other services |
9.08 |
12.73 |
13.84 |