| Value | Category | Cases | |
|---|---|---|---|
| 15 | 3 |
2.4%
|
|
| 20 | 4 |
3.2%
|
|
| 25 | 14 |
11.2%
|
|
| 30 | 32 |
25.6%
|
|
| 35 | 43 |
34.4%
|
|
| 40 | 17 |
13.6%
|
|
| 45 | 9 |
7.2%
|
|
| 50 | 2 |
1.6%
|
|
| 60 | 1 |
0.8%
|
|
| Sysmiss | 78 |