| Value | Category | Cases | |
|---|---|---|---|
| -9 | don't know | 1 |
0.9%
|
| 0 | 11 |
9.6%
|
|
| 1 | 14 |
12.2%
|
|
| 2 | 8 |
7%
|
|
| 3 | 3 |
2.6%
|
|
| 4 | 1 |
0.9%
|
|
| 5 | 8 |
7%
|
|
| 6 | 1 |
0.9%
|
|
| 7 | 1 |
0.9%
|
|
| 10 | 19 |
16.5%
|
|
| 12 | 4 |
3.5%
|
|
| 15 | 2 |
1.7%
|
|
| 20 | 7 |
6.1%
|
|
| 25 | 4 |
3.5%
|
|
| 30 | 5 |
4.3%
|
|
| 33 | 3 |
2.6%
|
|
| 35 | 1 |
0.9%
|
|
| 40 | 3 |
2.6%
|
|
| 50 | 8 |
7%
|
|
| 60 | 1 |
0.9%
|
|
| 70 | 3 |
2.6%
|
|
| 80 | 3 |
2.6%
|
|
| 100 | 4 |
3.5%
|
|
| Sysmiss | 971 |