| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 19 |
20.9%
|
|
| 1 | 19 |
20.9%
|
|
| 2 | 13 |
14.3%
|
|
| 3 | 8 |
8.8%
|
|
| 4 | 5 |
5.5%
|
|
| 5 | 7 |
7.7%
|
|
| 6 | 1 |
1.1%
|
|
| 7 | 1 |
1.1%
|
|
| 8 | 2 |
2.2%
|
|
| 10 | 4 |
4.4%
|
|
| 12 | 1 |
1.1%
|
|
| 16 | 1 |
1.1%
|
|
| 19 | 1 |
1.1%
|
|
| 20 | 3 |
3.3%
|
|
| 25 | 1 |
1.1%
|
|
| 30 | 1 |
1.1%
|
|
| 35 | 1 |
1.1%
|
|
| 60 | 1 |
1.1%
|
|
| 200 | 1 |
1.1%
|
|
| 600 | 1 |
1.1%
|
|
| Sysmiss | 1005 |