| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 0 |
0%
|
| 0 | None | 26 |
10.5%
|
| 1 | 1 |
0.4%
|
|
| 2 | 1 |
0.4%
|
|
| 3 | 1 |
0.4%
|
|
| 5 | 3 |
1.2%
|
|
| 10 | 14 |
5.6%
|
|
| 12 | 2 |
0.8%
|
|
| 15 | 4 |
1.6%
|
|
| 19 | 2 |
0.8%
|
|
| 20 | 12 |
4.8%
|
|
| 25 | 6 |
2.4%
|
|
| 30 | 7 |
2.8%
|
|
| 35 | 3 |
1.2%
|
|
| 36 | 1 |
0.4%
|
|
| 40 | 5 |
2%
|
|
| 41 | 1 |
0.4%
|
|
| 45 | 1 |
0.4%
|
|
| 49 | 1 |
0.4%
|
|
| 50 | 23 |
9.3%
|
|
| 52 | 1 |
0.4%
|
|
| 53 | 1 |
0.4%
|
|
| 55 | 3 |
1.2%
|
|
| 60 | 10 |
4%
|
|
| 65 | 4 |
1.6%
|
|
| 68 | 1 |
0.4%
|
|
| 70 | 8 |
3.2%
|
|
| 72 | 1 |
0.4%
|
|
| 75 | 5 |
2%
|
|
| 76 | 1 |
0.4%
|
|
| 78 | 1 |
0.4%
|
|
| 80 | 12 |
4.8%
|
|
| 85 | 5 |
2%
|
|
| 88 | 2 |
0.8%
|
|
| 89 | 3 |
1.2%
|
|
| 90 | 11 |
4.4%
|
|
| 91 | 1 |
0.4%
|
|
| 95 | 6 |
2.4%
|
|
| 98 | 1 |
0.4%
|
|
| 99 | 3 |
1.2%
|
|
| 100 | 54 |
21.8%
|
|
| Sysmiss | 2 |