| Value | Category |
|---|---|
| 10 | Agriculture and Fishing |
| 20 | Mining |
| 30 | Manufacturing |
| 40 | Electricity and Utilities |
| 50 | Construction |
| 60 | Commerce |
| 70 | Transportation, Storage and Communication |
| 80 | Financial, Insurance and Real Estate |
| 90 | Public Administration |
| 100 | Other services |
| 998 | Unspecified |
| 999 | Not stated |
| Sysmiss |