| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1383 |
78.7%
|
|
| 20 | 29 |
1.6%
|
|
| 40 | 28 |
1.6%
|
|
| 60 | 44 |
2.5%
|
|
| 80 | 67 |
3.8%
|
|
| 100 | 207 |
11.8%
|
|
| Sysmiss | 272 |