| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 11 |
3.9%
|
| 0 | 89 |
31.2%
|
|
| 1 | 48 |
16.8%
|
|
| 2 | 24 |
8.4%
|
|
| 3 | 16 |
5.6%
|
|
| 4 | 16 |
5.6%
|
|
| 5 | 7 |
2.5%
|
|
| 6 | 13 |
4.6%
|
|
| 7 | 9 |
3.2%
|
|
| 8 | 6 |
2.1%
|
|
| 9 | 2 |
0.7%
|
|
| 10 | 8 |
2.8%
|
|
| 11 | 3 |
1.1%
|
|
| 12 | 2 |
0.7%
|
|
| 16 | 1 |
0.4%
|
|
| 17 | 1 |
0.4%
|
|
| 18 | 5 |
1.8%
|
|
| 20 | 1 |
0.4%
|
|
| 22 | 1 |
0.4%
|
|
| 23 | 1 |
0.4%
|
|
| 24 | 3 |
1.1%
|
|
| 25 | 2 |
0.7%
|
|
| 28 | 1 |
0.4%
|
|
| 29 | 1 |
0.4%
|
|
| 30 | 2 |
0.7%
|
|
| 40 | 2 |
0.7%
|
|
| 45 | 1 |
0.4%
|
|
| 50 | 2 |
0.7%
|
|
| 57 | 1 |
0.4%
|
|
| 60 | 1 |
0.4%
|
|
| 70 | 2 |
0.7%
|
|
| 72 | 1 |
0.4%
|
|
| 100 | 1 |
0.4%
|
|
| 170 | 1 |
0.4%
|
|
| Sysmiss | 485 |