| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | 88 |
52.7%
|
|
| 1 | 8 |
4.8%
|
|
| 2 | 15 |
9%
|
|
| 3 | 18 |
10.8%
|
|
| 4 | 4 |
2.4%
|
|
| 5 | 7 |
4.2%
|
|
| 6 | 1 |
0.6%
|
|
| 7 | 2 |
1.2%
|
|
| 8 | 2 |
1.2%
|
|
| 9 | 2 |
1.2%
|
|
| 10 | 5 |
3%
|
|
| 11 | 2 |
1.2%
|
|
| 14 | 1 |
0.6%
|
|
| 15 | 3 |
1.8%
|
|
| 17 | 1 |
0.6%
|
|
| 21 | 1 |
0.6%
|
|
| 27 | 1 |
0.6%
|
|
| 36 | 1 |
0.6%
|
|
| 50 | 1 |
0.6%
|
|
| 80 | 1 |
0.6%
|
|
| 100 | 1 |
0.6%
|
|
| 112 | 1 |
0.6%
|
|
| 250 | 1 |
0.6%
|
|
| Sysmiss | 638 |