| Value | Category | Cases | |
|---|---|---|---|
| 0 | 243 |
70.8%
|
|
| 1 | 83 |
24.2%
|
|
| 2 | 13 |
3.8%
|
|
| 3 | 2 |
0.6%
|
|
| 4 | 2 |
0.6%
|
|
| Sysmiss | 6897 |