| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -9 | Don't know (spontaneous) | 39 |
8.8%
|
| 1 | 17 |
3.8%
|
|
| 2 | 31 |
7%
|
|
| 3 | 39 |
8.8%
|
|
| 4 | 59 |
13.3%
|
|
| 5 | 33 |
7.4%
|
|
| 6 | 35 |
7.9%
|
|
| 7 | 6 |
1.4%
|
|
| 8 | 30 |
6.8%
|
|
| 9 | 10 |
2.3%
|
|
| 10 | 11 |
2.5%
|
|
| 12 | 31 |
7%
|
|
| 14 | 1 |
0.2%
|
|
| 15 | 4 |
0.9%
|
|
| 16 | 5 |
1.1%
|
|
| 18 | 3 |
0.7%
|
|
| 19 | 1 |
0.2%
|
|
| 20 | 11 |
2.5%
|
|
| 21 | 12 |
2.7%
|
|
| 24 | 7 |
1.6%
|
|
| 25 | 4 |
0.9%
|
|
| 26 | 8 |
1.8%
|
|
| 27 | 1 |
0.2%
|
|
| 30 | 4 |
0.9%
|
|
| 36 | 1 |
0.2%
|
|
| 40 | 1 |
0.2%
|
|
| 45 | 1 |
0.2%
|
|
| 48 | 3 |
0.7%
|
|
| 50 | 4 |
0.9%
|
|
| 52 | 20 |
4.5%
|
|
| 54 | 6 |
1.4%
|
|
| 55 | 1 |
0.2%
|
|
| 56 | 1 |
0.2%
|
|
| 60 | 1 |
0.2%
|
|
| 96 | 3 |
0.7%
|
|
| Sysmiss | 128 |