| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 9 |
3.3%
|
| 0 | 66 |
23.9%
|
|
| 1 | 56 |
20.3%
|
|
| 2 | 36 |
13%
|
|
| 3 | 34 |
12.3%
|
|
| 4 | 15 |
5.4%
|
|
| 5 | 18 |
6.5%
|
|
| 6 | 3 |
1.1%
|
|
| 7 | 5 |
1.8%
|
|
| 8 | 5 |
1.8%
|
|
| 10 | 19 |
6.9%
|
|
| 12 | 2 |
0.7%
|
|
| 15 | 2 |
0.7%
|
|
| 20 | 2 |
0.7%
|
|
| 30 | 1 |
0.4%
|
|
| 40 | 2 |
0.7%
|
|
| 50 | 1 |
0.4%
|
|
| Sysmiss | 679 |