| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 21 |
7.6%
|
| 0 | 141 |
51.1%
|
|
| 1 | 33 |
12%
|
|
| 2 | 24 |
8.7%
|
|
| 3 | 17 |
6.2%
|
|
| 4 | 6 |
2.2%
|
|
| 5 | 8 |
2.9%
|
|
| 9 | 3 |
1.1%
|
|
| 10 | 7 |
2.5%
|
|
| 15 | 3 |
1.1%
|
|
| 20 | 5 |
1.8%
|
|
| 30 | 1 |
0.4%
|
|
| 50 | 2 |
0.7%
|
|
| 60 | 2 |
0.7%
|
|
| 70 | 1 |
0.4%
|
|
| 200 | 2 |
0.7%
|
|
| Sysmiss | 679 |