| Value | Category | Cases | |
|---|---|---|---|
| 0 | NR | 72 |
0.2%
|
| 1 | Electricity | 40048 |
83.6%
|
| 2 | Steam | 1260 |
2.6%
|
| 3 | Diesel | 541 |
1.1%
|
| 4 | Others | 460 |
1%
|
| 5 | No motive power | 2423 |
5.1%
|
| 6 | Closed factory | 3121 |
6.5%
|
| 7 | Invalid | 2 |
0%
|