| Value | Category | Cases | |
|---|---|---|---|
| 30 | 1 |
1%
|
|
| 40 | 4 |
4.1%
|
|
| 50 | 34 |
34.7%
|
|
| 60 | 32 |
32.7%
|
|
| 61 | 3 |
3.1%
|
|
| 70 | 11 |
11.2%
|
|
| 80 | 4 |
4.1%
|
|
| 100 | 9 |
9.2%
|
|
| Sysmiss | 911 |