| Value | Category | Cases | |
|---|---|---|---|
| 50 | 7 |
17.1%
|
|
| 60 | 12 |
29.3%
|
|
| 70 | 18 |
43.9%
|
|
| 80 | 2 |
4.9%
|
|
| 100 | 1 |
2.4%
|
|
| 120 | 1 |
2.4%
|
|
| Sysmiss | 16 |