| Value | Category | Cases | |
|---|---|---|---|
| 0 | 278 |
73.2%
|
|
| 1 | 90 |
23.7%
|
|
| 2 | 8 |
2.1%
|
|
| 3 | 2 |
0.5%
|
|
| 4 | 2 |
0.5%
|
|
| Sysmiss | 2193 |