| Value | Category | Cases | |
|---|---|---|---|
| 0 | 136 |
6%
|
|
| 1 | 1591 |
70.8%
|
|
| 2 | 300 |
13.3%
|
|
| 3 | 147 |
6.5%
|
|
| 4 | 74 |
3.3%
|
|
| Sysmiss | 2 |