| Value | Category |
|---|---|
| 0 | Other non-defined |
| 11 | Agriculture and hunting |
| 12 | Forestry and logging |
| 13 | Fishing |
| 21 | Coal mining |
| 22 | Petroleum, gas |
| 23 | Metal ore mining |
| 24 | Other mining |
| 31 | Food and beverages |
| 32 | Textiles and apparel |
| 33 | Wood, furniture |
| 34 | Paper/printing |
| 35 | Chemical/petroleum |
| 36 | Other non-metallic |
| 37 | Basic metallic |
| 38 | Fabricated mettalic |
| 39 | Handicrafts and other |
| 41 | Electricity/gas/water |
| 42 | Water works. |
| 51 | Building |
| 52 | Streets/highways |
| 53 | Irrigation |
| 54 | Sports projects |
| 55 | Docks/communication |
| 56 | Sewers/water mains |
| 57 | Other construction. |
| 61 | Wholesale |
| 62 | Retail |
| 63 | Restaurant |
| 71 | Transport |
| 72 | Communication |
| 81 | Finance |
| 82 | Insurance |
| 83 | Real estate |
| 84 | Machinery fitters |
| 91 | Public administration |
| 92 | Sanitary |
| 93 | Social |
| 94 | Recreation/culture |
| 95 | Personal/household |