| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 28 |
7%
|
| 1 | 13 |
3.3%
|
|
| 2 | 32 |
8%
|
|
| 3 | 20 |
5%
|
|
| 4 | 95 |
23.8%
|
|
| 5 | 8 |
2%
|
|
| 6 | 17 |
4.3%
|
|
| 7 | 2 |
0.5%
|
|
| 8 | 89 |
22.3%
|
|
| 9 | 5 |
1.3%
|
|
| 10 | 15 |
3.8%
|
|
| 11 | 1 |
0.3%
|
|
| 12 | 43 |
10.8%
|
|
| 13 | 2 |
0.5%
|
|
| 16 | 6 |
1.5%
|
|
| 20 | 8 |
2%
|
|
| 24 | 4 |
1%
|
|
| 32 | 1 |
0.3%
|
|
| 40 | 3 |
0.8%
|
|
| 44 | 1 |
0.3%
|
|
| 46 | 1 |
0.3%
|
|
| 50 | 6 |
1.5%
|
|
| Sysmiss | 1046 |