| Value | Category | Cases | |
|---|---|---|---|
| 0 | 548 |
2.5%
|
|
| 1 | 20071 |
91.3%
|
|
| 2 | 1294 |
5.9%
|
|
| 3 | 75 |
0.3%
|
|
| 4 | 4 |
0%
|
|
| Sysmiss | 16196 |