| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 1 |
2%
|
| 2 | 2 |
3.9%
|
|
| 3 | 2 |
3.9%
|
|
| 4 | 2 |
3.9%
|
|
| 5 | 2 |
3.9%
|
|
| 6 | 1 |
2%
|
|
| 7 | 1 |
2%
|
|
| 8 | 3 |
5.9%
|
|
| 9 | 1 |
2%
|
|
| 10 | 2 |
3.9%
|
|
| 11 | 2 |
3.9%
|
|
| 12 | 2 |
3.9%
|
|
| 13 | 1 |
2%
|
|
| 14 | 1 |
2%
|
|
| 15 | 6 |
11.8%
|
|
| 17 | 1 |
2%
|
|
| 20 | 2 |
3.9%
|
|
| 25 | 4 |
7.8%
|
|
| 30 | 3 |
5.9%
|
|
| 32 | 1 |
2%
|
|
| 35 | 2 |
3.9%
|
|
| 40 | 1 |
2%
|
|
| 50 | 4 |
7.8%
|
|
| 80 | 1 |
2%
|
|
| 110 | 1 |
2%
|
|
| 118 | 1 |
2%
|
|
| 350 | 1 |
2%
|
|
| Sysmiss | 99 |