| Value | Category | Cases | |
|---|---|---|---|
| 1 | Electricity | 44319 |
85.9%
|
| 2 | Steam | 692 |
1.3%
|
| 3 | Diesel | 599 |
1.2%
|
| 4 | Others | 342 |
0.7%
|
| 5 | No motive power | 2455 |
4.8%
|
| 6 | Closed factory | 3195 |
6.2%
|
| 9 | Invalid | 6 |
0%
|