| Value | Category | Cases | |
|---|---|---|---|
| 1 | Mining and quarrying | 57 |
2.5%
|
| 2 | Manufacturing | 2097 |
93.1%
|
| 3 | Electricity,gas, steam and air condationing supply | 17 |
0.8%
|
| 4 | Water supply, sewerage | 81 |
3.6%
|