| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3039 |
70.4%
|
|
| 1 | 1205 |
27.9%
|
|
| 2 | 70 |
1.6%
|
|
| 3 | 4 |
0.1%
|
|
| 4 | 1 |
0%
|
|
| Sysmiss | 1 |