| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 30 |
3.8%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 9 |
1.2%
|
|
| 1 | 13 |
1.7%
|
|
| 2 | 22 |
2.8%
|
|
| 3 | 29 |
3.7%
|
|
| 4 | 61 |
7.8%
|
|
| 5 | 16 |
2%
|
|
| 6 | 21 |
2.7%
|
|
| 7 | 6 |
0.8%
|
|
| 8 | 141 |
18.1%
|
|
| 9 | 10 |
1.3%
|
|
| 10 | 37 |
4.7%
|
|
| 11 | 1 |
0.1%
|
|
| 12 | 163 |
20.9%
|
|
| 13 | 3 |
0.4%
|
|
| 14 | 15 |
1.9%
|
|
| 15 | 8 |
1%
|
|
| 16 | 88 |
11.3%
|
|
| 18 | 8 |
1%
|
|
| 20 | 28 |
3.6%
|
|
| 22 | 3 |
0.4%
|
|
| 24 | 21 |
2.7%
|
|
| 28 | 7 |
0.9%
|
|
| 30 | 2 |
0.3%
|
|
| 32 | 7 |
0.9%
|
|
| 36 | 2 |
0.3%
|
|
| 46 | 1 |
0.1%
|
|
| 48 | 10 |
1.3%
|
|
| 50 | 7 |
0.9%
|
|
| 75 | 1 |
0.1%
|
|
| 85 | 1 |
0.1%
|
|
| 100 | 9 |
1.2%
|
|
| 120 | 1 |
0.1%
|
|
| Sysmiss | 315 |