| Value | Category | Cases | |
|---|---|---|---|
| 50 | 13 |
17.3%
|
|
| 60 | 19 |
25.3%
|
|
| 70 | 33 |
44%
|
|
| 75 | 4 |
5.3%
|
|
| 80 | 4 |
5.3%
|
|
| 90 | 1 |
1.3%
|
|
| 100 | 1 |
1.3%
|
|
| Sysmiss | 565 |