| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 382 |
27.6%
|
| 0 | 368 |
26.6%
|
|
| 1 | 99 |
7.1%
|
|
| 2 | 112 |
8.1%
|
|
| 3 | 46 |
3.3%
|
|
| 4 | 28 |
2%
|
|
| 5 | 82 |
5.9%
|
|
| 6 | 16 |
1.2%
|
|
| 7 | 16 |
1.2%
|
|
| 8 | 6 |
0.4%
|
|
| 9 | 5 |
0.4%
|
|
| 10 | 55 |
4%
|
|
| 11 | 1 |
0.1%
|
|
| 12 | 14 |
1%
|
|
| 13 | 1 |
0.1%
|
|
| 14 | 2 |
0.1%
|
|
| 15 | 17 |
1.2%
|
|
| 17 | 1 |
0.1%
|
|
| 19 | 1 |
0.1%
|
|
| 20 | 33 |
2.4%
|
|
| 22 | 1 |
0.1%
|
|
| 25 | 8 |
0.6%
|
|
| 29 | 1 |
0.1%
|
|
| 30 | 38 |
2.7%
|
|
| 35 | 3 |
0.2%
|
|
| 36 | 1 |
0.1%
|
|
| 40 | 6 |
0.4%
|
|
| 45 | 1 |
0.1%
|
|
| 50 | 12 |
0.9%
|
|
| 60 | 12 |
0.9%
|
|
| 70 | 1 |
0.1%
|
|
| 75 | 2 |
0.1%
|
|
| 80 | 1 |
0.1%
|
|
| 100 | 3 |
0.2%
|
|
| 120 | 2 |
0.1%
|
|
| 150 | 2 |
0.1%
|
|
| 160 | 1 |
0.1%
|
|
| 200 | 1 |
0.1%
|
|
| 300 | 1 |
0.1%
|
|
| 400 | 1 |
0.1%
|
|
| 700 | 1 |
0.1%
|
|
| 1000 | 1 |
0.1%
|
|
| Sysmiss | 1570 |