| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 34 |
37.8%
|
|
| 1 | 9 |
10%
|
|
| 2 | 8 |
8.9%
|
|
| 3 | 4 |
4.4%
|
|
| 4 | 2 |
2.2%
|
|
| 5 | 10 |
11.1%
|
|
| 6 | 3 |
3.3%
|
|
| 8 | 2 |
2.2%
|
|
| 9 | 1 |
1.1%
|
|
| 10 | 3 |
3.3%
|
|
| 11 | 1 |
1.1%
|
|
| 12 | 2 |
2.2%
|
|
| 15 | 3 |
3.3%
|
|
| 16 | 1 |
1.1%
|
|
| 18 | 2 |
2.2%
|
|
| 24 | 1 |
1.1%
|
|
| 26 | 1 |
1.1%
|
|
| 30 | 1 |
1.1%
|
|
| 35 | 1 |
1.1%
|
|
| 170 | 1 |
1.1%
|
|
| Sysmiss | 715 |