| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 6 |
3.3%
|
| 0 | 106 |
58.2%
|
|
| 1 | 10 |
5.5%
|
|
| 2 | 11 |
6%
|
|
| 3 | 7 |
3.8%
|
|
| 4 | 9 |
4.9%
|
|
| 5 | 3 |
1.6%
|
|
| 6 | 1 |
0.5%
|
|
| 7 | 3 |
1.6%
|
|
| 8 | 2 |
1.1%
|
|
| 9 | 1 |
0.5%
|
|
| 10 | 6 |
3.3%
|
|
| 13 | 2 |
1.1%
|
|
| 15 | 1 |
0.5%
|
|
| 20 | 1 |
0.5%
|
|
| 21 | 1 |
0.5%
|
|
| 25 | 2 |
1.1%
|
|
| 27 | 1 |
0.5%
|
|
| 30 | 1 |
0.5%
|
|
| 35 | 1 |
0.5%
|
|
| 40 | 2 |
1.1%
|
|
| 60 | 1 |
0.5%
|
|
| 77 | 1 |
0.5%
|
|
| 80 | 1 |
0.5%
|
|
| 150 | 1 |
0.5%
|
|
| 285 | 1 |
0.5%
|
|
| Sysmiss | 632 |