| Value | Category | Cases | |
|---|---|---|---|
| 0 | 55 |
28.5%
|
|
| 1 | 1 |
0.5%
|
|
| 10 | 2 |
1%
|
|
| 12 | 2 |
1%
|
|
| 20 | 1 |
0.5%
|
|
| 21 | 1 |
0.5%
|
|
| 30 | 125 |
64.8%
|
|
| 31 | 5 |
2.6%
|
|
| 98 | 1 |
0.5%
|
|
| Sysmiss | 16 |