| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 19 |
4.1%
|
| 1 | 7 |
1.5%
|
|
| 2 | 1 |
0.2%
|
|
| 3 | 2 |
0.4%
|
|
| 5 | 3 |
0.6%
|
|
| 6 | 1 |
0.2%
|
|
| 8 | 2 |
0.4%
|
|
| 10 | 8 |
1.7%
|
|
| 15 | 6 |
1.3%
|
|
| 16 | 1 |
0.2%
|
|
| 20 | 13 |
2.8%
|
|
| 22 | 1 |
0.2%
|
|
| 24 | 1 |
0.2%
|
|
| 25 | 3 |
0.6%
|
|
| 30 | 17 |
3.7%
|
|
| 33 | 3 |
0.6%
|
|
| 35 | 2 |
0.4%
|
|
| 38 | 1 |
0.2%
|
|
| 40 | 3 |
0.6%
|
|
| 42 | 1 |
0.2%
|
|
| 43 | 1 |
0.2%
|
|
| 47 | 1 |
0.2%
|
|
| 49 | 4 |
0.9%
|
|
| 50 | 32 |
6.9%
|
|
| 51 | 3 |
0.6%
|
|
| 60 | 8 |
1.7%
|
|
| 64 | 1 |
0.2%
|
|
| 65 | 1 |
0.2%
|
|
| 68 | 1 |
0.2%
|
|
| 70 | 7 |
1.5%
|
|
| 72 | 1 |
0.2%
|
|
| 75 | 2 |
0.4%
|
|
| 78 | 1 |
0.2%
|
|
| 80 | 8 |
1.7%
|
|
| 90 | 4 |
0.9%
|
|
| 99 | 1 |
0.2%
|
|
| 100 | 292 |
63.1%
|
|
| Sysmiss | 983 |