| Value | Category | Cases | |
|---|---|---|---|
| 0 | 130 |
40.5%
|
|
| 1 | 137 |
42.7%
|
|
| 2 | 44 |
13.7%
|
|
| 3 | 8 |
2.5%
|
|
| 4 | 2 |
0.6%
|
|
| Sysmiss | 1588 |