| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 24 |
5.4%
|
| 0 | 117 |
26.2%
|
|
| 1 | 55 |
12.3%
|
|
| 2 | 70 |
15.7%
|
|
| 3 | 33 |
7.4%
|
|
| 4 | 13 |
2.9%
|
|
| 5 | 39 |
8.7%
|
|
| 6 | 9 |
2%
|
|
| 7 | 5 |
1.1%
|
|
| 8 | 8 |
1.8%
|
|
| 9 | 2 |
0.4%
|
|
| 10 | 16 |
3.6%
|
|
| 11 | 4 |
0.9%
|
|
| 12 | 4 |
0.9%
|
|
| 13 | 2 |
0.4%
|
|
| 15 | 9 |
2%
|
|
| 16 | 2 |
0.4%
|
|
| 18 | 2 |
0.4%
|
|
| 20 | 7 |
1.6%
|
|
| 21 | 1 |
0.2%
|
|
| 22 | 2 |
0.4%
|
|
| 25 | 5 |
1.1%
|
|
| 27 | 1 |
0.2%
|
|
| 28 | 1 |
0.2%
|
|
| 30 | 2 |
0.4%
|
|
| 33 | 1 |
0.2%
|
|
| 34 | 1 |
0.2%
|
|
| 50 | 4 |
0.9%
|
|
| 80 | 4 |
0.9%
|
|
| 125 | 1 |
0.2%
|
|
| 150 | 1 |
0.2%
|
|
| 1000 | 1 |
0.2%
|
|
| Sysmiss | 2509 |