| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 54 |
25.4%
|
| 0 | 21 |
9.9%
|
|
| 1 | 6 |
2.8%
|
|
| 2 | 11 |
5.2%
|
|
| 3 | 5 |
2.3%
|
|
| 4 | 34 |
16%
|
|
| 5 | 5 |
2.3%
|
|
| 6 | 5 |
2.3%
|
|
| 8 | 19 |
8.9%
|
|
| 9 | 14 |
6.6%
|
|
| 10 | 3 |
1.4%
|
|
| 12 | 10 |
4.7%
|
|
| 13 | 3 |
1.4%
|
|
| 14 | 1 |
0.5%
|
|
| 16 | 2 |
0.9%
|
|
| 18 | 1 |
0.5%
|
|
| 20 | 1 |
0.5%
|
|
| 22 | 1 |
0.5%
|
|
| 24 | 4 |
1.9%
|
|
| 27 | 3 |
1.4%
|
|
| 28 | 1 |
0.5%
|
|
| 30 | 4 |
1.9%
|
|
| 50 | 1 |
0.5%
|
|
| 52 | 3 |
1.4%
|
|
| 96 | 1 |
0.5%
|
|
| Sysmiss | 145 |