| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 9 |
20.9%
|
|
| 1 | 3 |
7%
|
|
| 2 | 6 |
14%
|
|
| 3 | 3 |
7%
|
|
| 4 | 1 |
2.3%
|
|
| 5 | 1 |
2.3%
|
|
| 8 | 1 |
2.3%
|
|
| 12 | 1 |
2.3%
|
|
| 20 | 3 |
7%
|
|
| 30 | 2 |
4.7%
|
|
| 40 | 2 |
4.7%
|
|
| 43 | 1 |
2.3%
|
|
| 46 | 1 |
2.3%
|
|
| 50 | 2 |
4.7%
|
|
| 51 | 1 |
2.3%
|
|
| 56 | 1 |
2.3%
|
|
| 60 | 1 |
2.3%
|
|
| 80 | 1 |
2.3%
|
|
| 100 | 1 |
2.3%
|
|
| 160 | 1 |
2.3%
|
|
| 300 | 1 |
2.3%
|
|
| Sysmiss | 717 |