| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
2.5%
|
| 12 | 2 |
1.7%
|
|
| 14 | 1 |
0.8%
|
|
| 15 | 4 |
3.4%
|
|
| 16 | 1 |
0.8%
|
|
| 17 | 1 |
0.8%
|
|
| 18 | 2 |
1.7%
|
|
| 20 | 6 |
5%
|
|
| 21 | 2 |
1.7%
|
|
| 22 | 3 |
2.5%
|
|
| 24 | 3 |
2.5%
|
|
| 25 | 4 |
3.4%
|
|
| 28 | 5 |
4.2%
|
|
| 30 | 11 |
9.2%
|
|
| 32 | 3 |
2.5%
|
|
| 33 | 2 |
1.7%
|
|
| 34 | 2 |
1.7%
|
|
| 35 | 6 |
5%
|
|
| 36 | 1 |
0.8%
|
|
| 37 | 1 |
0.8%
|
|
| 38 | 2 |
1.7%
|
|
| 40 | 13 |
10.9%
|
|
| 41 | 1 |
0.8%
|
|
| 42 | 1 |
0.8%
|
|
| 44 | 1 |
0.8%
|
|
| 47 | 3 |
2.5%
|
|
| 50 | 3 |
2.5%
|
|
| 53 | 1 |
0.8%
|
|
| 54 | 1 |
0.8%
|
|
| 55 | 1 |
0.8%
|
|
| 58 | 1 |
0.8%
|
|
| 60 | 1 |
0.8%
|
|
| 64 | 1 |
0.8%
|
|
| 65 | 2 |
1.7%
|
|
| 66 | 1 |
0.8%
|
|
| 70 | 2 |
1.7%
|
|
| 71 | 1 |
0.8%
|
|
| 72 | 3 |
2.5%
|
|
| 75 | 3 |
2.5%
|
|
| 76 | 1 |
0.8%
|
|
| 79 | 1 |
0.8%
|
|
| 80 | 2 |
1.7%
|
|
| 83 | 1 |
0.8%
|
|
| 85 | 1 |
0.8%
|
|
| 90 | 3 |
2.5%
|
|
| 108 | 1 |
0.8%
|
|
| 110 | 1 |
0.8%
|
|
| 200 | 1 |
0.8%
|
|
| 221 | 1 |
0.8%
|
|
| 2400 | 1 |
0.8%
|
|
| Sysmiss | 879 |