| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
2.5%
|
| 0 | 123 |
44.2%
|
|
| 1 | 29 |
10.4%
|
|
| 2 | 22 |
7.9%
|
|
| 3 | 9 |
3.2%
|
|
| 4 | 10 |
3.6%
|
|
| 5 | 11 |
4%
|
|
| 6 | 6 |
2.2%
|
|
| 7 | 1 |
0.4%
|
|
| 8 | 5 |
1.8%
|
|
| 9 | 3 |
1.1%
|
|
| 10 | 13 |
4.7%
|
|
| 11 | 1 |
0.4%
|
|
| 12 | 2 |
0.7%
|
|
| 14 | 2 |
0.7%
|
|
| 15 | 6 |
2.2%
|
|
| 16 | 3 |
1.1%
|
|
| 17 | 1 |
0.4%
|
|
| 18 | 1 |
0.4%
|
|
| 20 | 4 |
1.4%
|
|
| 22 | 1 |
0.4%
|
|
| 25 | 1 |
0.4%
|
|
| 26 | 1 |
0.4%
|
|
| 30 | 2 |
0.7%
|
|
| 32 | 1 |
0.4%
|
|
| 33 | 1 |
0.4%
|
|
| 40 | 1 |
0.4%
|
|
| 50 | 1 |
0.4%
|
|
| 57 | 1 |
0.4%
|
|
| 69 | 1 |
0.4%
|
|
| 80 | 1 |
0.4%
|
|
| 90 | 1 |
0.4%
|
|
| 100 | 3 |
1.1%
|
|
| 150 | 1 |
0.4%
|
|
| 153 | 1 |
0.4%
|
|
| 2000 | 1 |
0.4%
|
|
| Sysmiss | 961 |