| Value | Category | Cases | |
|---|---|---|---|
| -998 | don't know | 0 |
0%
|
| 0 | 475 |
21.1%
|
|
| 1 | 961 |
42.8%
|
|
| 2 | 586 |
26.1%
|
|
| 3 | 158 |
7%
|
|
| 4 | 45 |
2%
|
|
| 5 | 14 |
0.6%
|
|
| 6 | 6 |
0.3%
|
|
| 7 | 1 |
0%
|