| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 3 |
1.9%
|
|
| 1 | 3 |
1.9%
|
|
| 2 | 11 |
6.9%
|
|
| 3 | 7 |
4.4%
|
|
| 4 | 11 |
6.9%
|
|
| 5 | 20 |
12.5%
|
|
| 6 | 10 |
6.3%
|
|
| 7 | 11 |
6.9%
|
|
| 8 | 17 |
10.6%
|
|
| 9 | 4 |
2.5%
|
|
| 10 | 9 |
5.6%
|
|
| 11 | 4 |
2.5%
|
|
| 12 | 5 |
3.1%
|
|
| 13 | 1 |
0.6%
|
|
| 14 | 1 |
0.6%
|
|
| 15 | 7 |
4.4%
|
|
| 16 | 2 |
1.3%
|
|
| 17 | 1 |
0.6%
|
|
| 18 | 3 |
1.9%
|
|
| 20 | 3 |
1.9%
|
|
| 25 | 1 |
0.6%
|
|
| 28 | 1 |
0.6%
|
|
| 30 | 3 |
1.9%
|
|
| 32 | 1 |
0.6%
|
|
| 40 | 3 |
1.9%
|
|
| 50 | 1 |
0.6%
|
|
| 52 | 1 |
0.6%
|
|
| 54 | 1 |
0.6%
|
|
| 60 | 2 |
1.3%
|
|
| 64 | 1 |
0.6%
|
|
| 80 | 2 |
1.3%
|
|
| 84 | 1 |
0.6%
|
|
| 88 | 2 |
1.3%
|
|
| 90 | 1 |
0.6%
|
|
| 95 | 1 |
0.6%
|
|
| 110 | 1 |
0.6%
|
|
| 120 | 1 |
0.6%
|
|
| 130 | 1 |
0.6%
|
|
| 150 | 1 |
0.6%
|
|
| 160 | 1 |
0.6%
|
|
| Sysmiss | 600 |