| Line | | 2004 |
2005 |
2006 |
2007 |
2008 |
| 1 | Self-employed persons 1 | 10,429 | 10,453 | 10,589 | 10,419 | 10,063 |
| 2 | Agriculture, forestry, fishing, and hunting | 964 | 955 | 901 | 856 | 861 |
| 3 | Farms 2 | 847 | 856 | 806 | 760 | 767 |
| 4 | Forestry, fishing and related activities | 117 | 99 | 95 | 96 | 94 |
| 5 | Mining | 13 | 10 | 10 | 20 | 15 |
| 6 | Utilities | 0 | 0 | 0 | 0 | 0 |
| 7 | Construction | 1,848 | 1,830 | 1,910 | 1,890 | 1,817 |
| 8 | Manufacturing | 316 | 321 | 331 | 343 | 307 |
| 9 | Durable goods | 207 | 207 | 210 | 210 | 193 |
| 10 | Nondurable goods | 109 | 114 | 121 | 133 | 114 |
| 11 | Wholesale trade | 189 | 213 | 201 | 193 | 191 |
| 12 | Retail trade | 963 | 1,038 | 939 | 935 | 867 |
| 13 | Transportation and warehousing | 410 | 442 | 428 | 405 | 399 |
| 14 | Information | 146 | 126 | 119 | 135 | 122 |
| 15 | Finance and insurance, real estate, rental, and leasing | 792 | 786 | 841 | 827 | 748 |
| 16 | Professional and business services 3 | 1,993 | 1,954 | 1,991 | 2,009 | 1,977 |
| 17 | Educational services, health care, and social assistance | 1,105 | 1,069 | 1,159 | 1,102 | 1,069 |
| 18 | Arts, entertainment, recreation, accommodation, and food services | 660 | 674 | 684 | 678 | 693 |
| 19 | Other services, except government | 1,030 | 1,035 | 1,075 | 1,026 | 997 |