| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3304 |
90.7%
|
|
| 1 | 137 |
3.8%
|
|
| 2 | 120 |
3.3%
|
|
| 3 | 64 |
1.8%
|
|
| 4 | 15 |
0.4%
|
|
| 5 | 3 |
0.1%
|
|
| Sysmiss | 4 |