| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
2%
|
| 0 | 21 |
10.5%
|
|
| 1 | 18 |
9%
|
|
| 2 | 27 |
13.5%
|
|
| 3 | 16 |
8%
|
|
| 4 | 15 |
7.5%
|
|
| 5 | 20 |
10%
|
|
| 6 | 13 |
6.5%
|
|
| 7 | 5 |
2.5%
|
|
| 8 | 4 |
2%
|
|
| 9 | 1 |
0.5%
|
|
| 10 | 17 |
8.5%
|
|
| 12 | 2 |
1%
|
|
| 14 | 1 |
0.5%
|
|
| 15 | 7 |
3.5%
|
|
| 18 | 1 |
0.5%
|
|
| 20 | 3 |
1.5%
|
|
| 25 | 4 |
2%
|
|
| 27 | 1 |
0.5%
|
|
| 30 | 3 |
1.5%
|
|
| 35 | 2 |
1%
|
|
| 40 | 2 |
1%
|
|
| 45 | 1 |
0.5%
|
|
| 50 | 6 |
3%
|
|
| 65 | 1 |
0.5%
|
|
| 70 | 1 |
0.5%
|
|
| 91 | 1 |
0.5%
|
|
| 100 | 1 |
0.5%
|
|
| 120 | 1 |
0.5%
|
|
| 500 | 1 |
0.5%
|
|
| Sysmiss | 381 |