Value | Category | Cases | |
---|---|---|---|
-99 | Don't know | 0 |
0%
|
-9 | Don't know (spontaneous) | 1 |
0.4%
|
0 | 1 |
0.4%
|
|
10 | 3 |
1.3%
|
|
15 | 5 |
2.2%
|
|
20 | 33 |
14.7%
|
|
25 | 52 |
23.2%
|
|
30 | 62 |
27.7%
|
|
35 | 14 |
6.3%
|
|
40 | 13 |
5.8%
|
|
50 | 24 |
10.7%
|
|
60 | 12 |
5.4%
|
|
70 | 2 |
0.9%
|
|
80 | 1 |
0.4%
|
|
100 | 1 |
0.4%
|
|
Sysmiss | 136 |