| Value | Category | Cases | |
|---|---|---|---|
| 0 | 357 |
78.5%
|
|
| 1 | 78 |
17.1%
|
|
| 2 | 16 |
3.5%
|
|
| 3 | 3 |
0.7%
|
|
| 4 | 1 |
0.2%
|
|
| Sysmiss | 19 |