| Value | Category | Cases | |
|---|---|---|---|
| -8 | don't know | 14 |
7.3%
|
| 0 | 26 |
13.5%
|
|
| 1 | 24 |
12.4%
|
|
| 2 | 18 |
9.3%
|
|
| 3 | 20 |
10.4%
|
|
| 4 | 19 |
9.8%
|
|
| 5 | 24 |
12.4%
|
|
| 6 | 7 |
3.6%
|
|
| 7 | 4 |
2.1%
|
|
| 8 | 10 |
5.2%
|
|
| 9 | 1 |
0.5%
|
|
| 10 | 8 |
4.1%
|
|
| 12 | 7 |
3.6%
|
|
| 15 | 3 |
1.6%
|
|
| 18 | 1 |
0.5%
|
|
| 20 | 3 |
1.6%
|
|
| 21 | 1 |
0.5%
|
|
| 25 | 1 |
0.5%
|
|
| 30 | 2 |
1%
|
|
| Sysmiss | 6126 |