| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 1 | 28 |
28.3%
|
|
| 2 | 10 |
10.1%
|
|
| 3 | 5 |
5.1%
|
|
| 4 | 1 |
1%
|
|
| 5 | 12 |
12.1%
|
|
| 6 | 2 |
2%
|
|
| 7 | 2 |
2%
|
|
| 8 | 1 |
1%
|
|
| 10 | 11 |
11.1%
|
|
| 15 | 7 |
7.1%
|
|
| 20 | 4 |
4%
|
|
| 25 | 4 |
4%
|
|
| 26 | 1 |
1%
|
|
| 30 | 3 |
3%
|
|
| 35 | 1 |
1%
|
|
| 40 | 1 |
1%
|
|
| 50 | 2 |
2%
|
|
| 60 | 1 |
1%
|
|
| 70 | 3 |
3%
|
|
| Sysmiss | 502 |