| Value | Category | Cases | |
|---|---|---|---|
| 0 | 44 |
18%
|
|
| 1 | 156 |
63.7%
|
|
| 2 | 20 |
8.2%
|
|
| 3 | 14 |
5.7%
|
|
| 4 | 9 |
3.7%
|
|
| 6 | 2 |
0.8%
|
|
| Sysmiss | 9447 |