| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 15 |
6.1%
|
| 2 | 7 |
2.9%
|
|
| 3 | 5 |
2%
|
|
| 4 | 3 |
1.2%
|
|
| 5 | 30 |
12.2%
|
|
| 6 | 1 |
0.4%
|
|
| 7 | 2 |
0.8%
|
|
| 8 | 7 |
2.9%
|
|
| 10 | 49 |
20%
|
|
| 11 | 1 |
0.4%
|
|
| 12 | 1 |
0.4%
|
|
| 14 | 1 |
0.4%
|
|
| 15 | 32 |
13.1%
|
|
| 20 | 30 |
12.2%
|
|
| 25 | 8 |
3.3%
|
|
| 30 | 21 |
8.6%
|
|
| 34 | 1 |
0.4%
|
|
| 40 | 6 |
2.4%
|
|
| 50 | 13 |
5.3%
|
|
| 60 | 3 |
1.2%
|
|
| 75 | 1 |
0.4%
|
|
| 90 | 2 |
0.8%
|
|
| 100 | 1 |
0.4%
|
|
| 160 | 1 |
0.4%
|
|
| 200 | 1 |
0.4%
|
|
| 250 | 1 |
0.4%
|
|
| 2000000 | 1 |
0.4%
|
|
| 65000000 | 1 |
0.4%
|
|
| Sysmiss | 115 |