| Value | Category | Cases | |
|---|---|---|---|
| 0 | 39 |
18.6%
|
|
| 1 | 147 |
70%
|
|
| 2 | 17 |
8.1%
|
|
| 3 | 4 |
1.9%
|
|
| 4 | 2 |
1%
|
|
| 5 | 1 |
0.5%
|
|
| Sysmiss | 7018 |