| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 4 |
4%
|
|
| 1 | 1 |
1%
|
|
| 2 | 5 |
5%
|
|
| 3 | 11 |
10.9%
|
|
| 4 | 9 |
8.9%
|
|
| 5 | 10 |
9.9%
|
|
| 6 | 7 |
6.9%
|
|
| 7 | 7 |
6.9%
|
|
| 8 | 7 |
6.9%
|
|
| 9 | 3 |
3%
|
|
| 10 | 2 |
2%
|
|
| 11 | 3 |
3%
|
|
| 12 | 1 |
1%
|
|
| 13 | 1 |
1%
|
|
| 14 | 1 |
1%
|
|
| 15 | 9 |
8.9%
|
|
| 18 | 2 |
2%
|
|
| 19 | 1 |
1%
|
|
| 20 | 3 |
3%
|
|
| 21 | 1 |
1%
|
|
| 25 | 2 |
2%
|
|
| 26 | 1 |
1%
|
|
| 28 | 2 |
2%
|
|
| 40 | 1 |
1%
|
|
| 45 | 2 |
2%
|
|
| 50 | 1 |
1%
|
|
| 55 | 1 |
1%
|
|
| 60 | 1 |
1%
|
|
| 106 | 1 |
1%
|
|
| 110 | 1 |
1%
|
|
| Sysmiss | 52 |