| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 11 |
3%
|
| 0 | 1 |
0.3%
|
|
| 8 | 1 |
0.3%
|
|
| 15 | 1 |
0.3%
|
|
| 18 | 1 |
0.3%
|
|
| 20 | 2 |
0.5%
|
|
| 30 | 6 |
1.6%
|
|
| 32 | 1 |
0.3%
|
|
| 35 | 1 |
0.3%
|
|
| 40 | 164 |
44.7%
|
|
| 42 | 25 |
6.8%
|
|
| 44 | 2 |
0.5%
|
|
| 45 | 4 |
1.1%
|
|
| 46 | 2 |
0.5%
|
|
| 48 | 36 |
9.8%
|
|
| 49 | 1 |
0.3%
|
|
| 50 | 12 |
3.3%
|
|
| 56 | 2 |
0.5%
|
|
| 60 | 9 |
2.5%
|
|
| 64 | 1 |
0.3%
|
|
| 68 | 1 |
0.3%
|
|
| 70 | 14 |
3.8%
|
|
| 75 | 1 |
0.3%
|
|
| 78 | 2 |
0.5%
|
|
| 80 | 9 |
2.5%
|
|
| 84 | 2 |
0.5%
|
|
| 86 | 1 |
0.3%
|
|
| 88 | 3 |
0.8%
|
|
| 90 | 5 |
1.4%
|
|
| 96 | 6 |
1.6%
|
|
| 98 | 1 |
0.3%
|
|
| 100 | 13 |
3.5%
|
|
| 110 | 1 |
0.3%
|
|
| 112 | 3 |
0.8%
|
|
| 116 | 1 |
0.3%
|
|
| 120 | 4 |
1.1%
|
|
| 140 | 1 |
0.3%
|
|
| 141 | 1 |
0.3%
|
|
| 152 | 1 |
0.3%
|
|
| 168 | 14 |
3.8%
|
|
| Sysmiss | 719 |