| Value | Category | Cases | |
|---|---|---|---|
| -8 | don't know | 44 |
10.6%
|
| 5 | 1 |
0.2%
|
|
| 10 | 29 |
7%
|
|
| 15 | 23 |
5.5%
|
|
| 16 | 2 |
0.5%
|
|
| 18 | 1 |
0.2%
|
|
| 20 | 54 |
13%
|
|
| 25 | 12 |
2.9%
|
|
| 29 | 1 |
0.2%
|
|
| 30 | 89 |
21.4%
|
|
| 31 | 1 |
0.2%
|
|
| 35 | 9 |
2.2%
|
|
| 36 | 1 |
0.2%
|
|
| 40 | 31 |
7.5%
|
|
| 45 | 7 |
1.7%
|
|
| 50 | 4 |
1%
|
|
| 60 | 57 |
13.7%
|
|
| 65 | 1 |
0.2%
|
|
| 70 | 3 |
0.7%
|
|
| 80 | 6 |
1.4%
|
|
| 90 | 17 |
4.1%
|
|
| 99 | 1 |
0.2%
|
|
| 100 | 1 |
0.2%
|
|
| 120 | 15 |
3.6%
|
|
| 180 | 3 |
0.7%
|
|
| 300 | 1 |
0.2%
|
|
| 360 | 1 |
0.2%
|
|
| 999 | 1 |
0.2%
|
|
| Sysmiss | 24825 |