| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 4 |
1.9%
|
| 0 | 2 |
1%
|
|
| 4 | 2 |
1%
|
|
| 10 | 1 |
0.5%
|
|
| 15 | 2 |
1%
|
|
| 20 | 3 |
1.5%
|
|
| 21 | 1 |
0.5%
|
|
| 22 | 1 |
0.5%
|
|
| 23 | 1 |
0.5%
|
|
| 25 | 2 |
1%
|
|
| 30 | 6 |
2.9%
|
|
| 32 | 2 |
1%
|
|
| 35 | 2 |
1%
|
|
| 36 | 1 |
0.5%
|
|
| 37 | 1 |
0.5%
|
|
| 38 | 1 |
0.5%
|
|
| 40 | 5 |
2.4%
|
|
| 42 | 1 |
0.5%
|
|
| 44 | 1 |
0.5%
|
|
| 47 | 1 |
0.5%
|
|
| 50 | 10 |
4.9%
|
|
| 54 | 1 |
0.5%
|
|
| 55 | 2 |
1%
|
|
| 56 | 1 |
0.5%
|
|
| 60 | 8 |
3.9%
|
|
| 63 | 1 |
0.5%
|
|
| 64 | 1 |
0.5%
|
|
| 65 | 1 |
0.5%
|
|
| 69 | 1 |
0.5%
|
|
| 70 | 8 |
3.9%
|
|
| 71 | 1 |
0.5%
|
|
| 73 | 1 |
0.5%
|
|
| 75 | 4 |
1.9%
|
|
| 78 | 1 |
0.5%
|
|
| 80 | 17 |
8.3%
|
|
| 83 | 1 |
0.5%
|
|
| 85 | 2 |
1%
|
|
| 87 | 1 |
0.5%
|
|
| 90 | 10 |
4.9%
|
|
| 92 | 2 |
1%
|
|
| 95 | 7 |
3.4%
|
|
| 99 | 2 |
1%
|
|
| 100 | 83 |
40.3%
|
|
| Sysmiss | 196 |