| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 7 |
2.9%
|
| 1 | 1 |
0.4%
|
|
| 5 | 2 |
0.8%
|
|
| 7 | 1 |
0.4%
|
|
| 10 | 1 |
0.4%
|
|
| 15 | 1 |
0.4%
|
|
| 20 | 1 |
0.4%
|
|
| 30 | 1 |
0.4%
|
|
| 33 | 1 |
0.4%
|
|
| 35 | 1 |
0.4%
|
|
| 40 | 4 |
1.7%
|
|
| 45 | 1 |
0.4%
|
|
| 50 | 14 |
5.8%
|
|
| 55 | 2 |
0.8%
|
|
| 60 | 16 |
6.7%
|
|
| 65 | 4 |
1.7%
|
|
| 68 | 1 |
0.4%
|
|
| 70 | 39 |
16.3%
|
|
| 75 | 19 |
7.9%
|
|
| 76 | 1 |
0.4%
|
|
| 80 | 32 |
13.3%
|
|
| 83 | 1 |
0.4%
|
|
| 85 | 15 |
6.3%
|
|
| 87 | 1 |
0.4%
|
|
| 90 | 25 |
10.4%
|
|
| 91 | 1 |
0.4%
|
|
| 93 | 1 |
0.4%
|
|
| 95 | 17 |
7.1%
|
|
| 97 | 4 |
1.7%
|
|
| 98 | 2 |
0.8%
|
|
| 99 | 2 |
0.8%
|
|
| 100 | 21 |
8.8%
|
|
| Sysmiss | 360 |