| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 901 |
24.8%
|
| 1 | 1016 |
28%
|
|
| 2 | 716 |
19.7%
|
|
| 3 | 374 |
10.3%
|
|
| 4 | 107 |
2.9%
|
|
| 5 | 97 |
2.7%
|
|
| 6 | 25 |
0.7%
|
|
| 7 | 293 |
8.1%
|
|
| 8 | don't know | 104 |
2.9%
|
| Sysmiss | 1 |