| Value | Category | Cases | |
|---|---|---|---|
| 0 | 310 |
14.6%
|
|
| 1 | 1655 |
78.1%
|
|
| 2 | 125 |
5.9%
|
|
| 3 | 20 |
0.9%
|
|
| 4 | 9 |
0.4%
|
|
| Sysmiss | 120 |