| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -77 | Does not apply | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| -7 | Does not apply | 0 |
0%
|
| 0 | 45 |
44.6%
|
|
| 1 | 4 |
4%
|
|
| 2 | 12 |
11.9%
|
|
| 3 | 10 |
9.9%
|
|
| 4 | 2 |
2%
|
|
| 5 | 7 |
6.9%
|
|
| 6 | 5 |
5%
|
|
| 7 | 1 |
1%
|
|
| 8 | 2 |
2%
|
|
| 10 | 4 |
4%
|
|
| 12 | 1 |
1%
|
|
| 14 | 1 |
1%
|
|
| 20 | 1 |
1%
|
|
| 22 | 1 |
1%
|
|
| 25 | 2 |
2%
|
|
| 28 | 1 |
1%
|
|
| 40 | 1 |
1%
|
|
| 50 | 1 |
1%
|
|
| Sysmiss | 52 |