| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4430 |
95.4%
|
|
| 1 | 188 |
4%
|
|
| 2 | 16 |
0.3%
|
|
| 3 | 6 |
0.1%
|
|
| 4 | 3 |
0.1%
|
|
| Sysmiss | 315 |