| Value | Category | Cases | |
|---|---|---|---|
| 0 | 27568 |
68.5%
|
|
| 1 | 1562 |
3.9%
|
|
| 2 | 4413 |
11%
|
|
| 3 | 2977 |
7.4%
|
|
| 4 | 1087 |
2.7%
|
|
| 5 | 690 |
1.7%
|
|
| 6 | 118 |
0.3%
|
|
| 7 | 1739 |
4.3%
|
|
| a | Don't know | 80 |
0.2%
|
| b | Refused to answer | 1 |
0%
|