| Value | Category | Cases | |
|---|---|---|---|
| 0 | 151 |
81.6%
|
|
| 8 | 1 |
0.5%
|
|
| 20 | 4 |
2.2%
|
|
| 30 | 27 |
14.6%
|
|
| 50 | 1 |
0.5%
|
|
| 60 | 1 |
0.5%
|
|
| Sysmiss | 3 |