| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 3 |
0.4%
|
| 15 | 1 |
0.1%
|
|
| 25 | 1 |
0.1%
|
|
| 30 | 9 |
1.1%
|
|
| 35 | 1 |
0.1%
|
|
| 40 | 11 |
1.3%
|
|
| 45 | 2 |
0.2%
|
|
| 50 | 23 |
2.7%
|
|
| 55 | 2 |
0.2%
|
|
| 60 | 37 |
4.4%
|
|
| 65 | 5 |
0.6%
|
|
| 70 | 87 |
10.3%
|
|
| 72 | 1 |
0.1%
|
|
| 75 | 20 |
2.4%
|
|
| 76 | 1 |
0.1%
|
|
| 78 | 4 |
0.5%
|
|
| 80 | 151 |
17.8%
|
|
| 85 | 11 |
1.3%
|
|
| 90 | 45 |
5.3%
|
|
| 95 | 4 |
0.5%
|
|
| 100 | 428 |
50.5%
|
|
| Sysmiss | 453 |