| Value | Category | Cases | |
|---|---|---|---|
| 0 | 643 |
14.9%
|
|
| 1 | 1354 |
31.3%
|
|
| 2 | 874 |
20.2%
|
|
| 3 | 539 |
12.5%
|
|
| 4 | 189 |
4.4%
|
|
| 5 | 151 |
3.5%
|
|
| 6 | 60 |
1.4%
|
|
| 7 | 246 |
5.7%
|
|
| 77 | Don't know | 268 |
6.2%
|
| Sysmiss | 46 |