| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 64 |
24.2%
|
| 1 | 51 |
19.3%
|
|
| 2 | 34 |
12.9%
|
|
| 3 | 13 |
4.9%
|
|
| 4 | 8 |
3%
|
|
| 5 | 25 |
9.5%
|
|
| 6 | 9 |
3.4%
|
|
| 7 | 5 |
1.9%
|
|
| 8 | 5 |
1.9%
|
|
| 9 | 2 |
0.8%
|
|
| 10 | 16 |
6.1%
|
|
| 11 | 1 |
0.4%
|
|
| 12 | 1 |
0.4%
|
|
| 15 | 5 |
1.9%
|
|
| 16 | 1 |
0.4%
|
|
| 18 | 2 |
0.8%
|
|
| 20 | 4 |
1.5%
|
|
| 25 | 2 |
0.8%
|
|
| 30 | 6 |
2.3%
|
|
| 37 | 1 |
0.4%
|
|
| 40 | 2 |
0.8%
|
|
| 50 | 3 |
1.1%
|
|
| 58 | 1 |
0.4%
|
|
| 60 | 1 |
0.4%
|
|
| 100 | 1 |
0.4%
|
|
| 150 | 1 |
0.4%
|
|
| Sysmiss | 1105 |