| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 1 |
0.5%
|
| 0 | 10 |
5.2%
|
|
| 1 | 8 |
4.2%
|
|
| 2 | 11 |
5.8%
|
|
| 3 | 12 |
6.3%
|
|
| 4 | 49 |
25.7%
|
|
| 5 | 1 |
0.5%
|
|
| 6 | 12 |
6.3%
|
|
| 8 | 37 |
19.4%
|
|
| 10 | 2 |
1%
|
|
| 12 | 19 |
9.9%
|
|
| 16 | 2 |
1%
|
|
| 20 | 1 |
0.5%
|
|
| 24 | 15 |
7.9%
|
|
| 29 | 1 |
0.5%
|
|
| 32 | 3 |
1.6%
|
|
| 36 | 2 |
1%
|
|
| 48 | 1 |
0.5%
|
|
| 52 | 3 |
1.6%
|
|
| 120 | 1 |
0.5%
|
|
| Sysmiss | 154 |