| Value | Category | Cases | |
|---|---|---|---|
| 0 | 186 |
10.8%
|
|
| 1 | 212 |
12.3%
|
|
| 2 | 143 |
8.3%
|
|
| 3 | 51 |
3%
|
|
| 4 | 16 |
0.9%
|
|
| 5 | 9 |
0.5%
|
|
| 6 | 2 |
0.1%
|
|
| 7 | 23 |
1.3%
|
|
| 8 | 1 |
0.1%
|
|
| 12 | 1 |
0.1%
|
|
| 14 | 2 |
0.1%
|
|
| 22 | 1 |
0.1%
|
|
| 24 | 5 |
0.3%
|
|
| 30 | 1 |
0.1%
|
|
| 48 | 2 |
0.1%
|
|
| 72 | 1 |
0.1%
|
|
| 90 | 1 |
0.1%
|
|
| 111 | No one to ask for assistance in power company | 912 |
52.9%
|
| 120 | 1 |
0.1%
|
|
| 888 | Don't know | 154 |
8.9%
|