| Value | Category | Cases | |
|---|---|---|---|
| 0 | 327 |
74.1%
|
|
| 1 | 99 |
22.4%
|
|
| 2 | 11 |
2.5%
|
|
| 3 | 2 |
0.5%
|
|
| 4 | 2 |
0.5%
|
|
| Sysmiss | 1394 |