| Value | Category | Cases | |
|---|---|---|---|
| 0 | 21 |
0.1%
|
|
| 1 | 15046 |
67.8%
|
|
| 2 | 5896 |
26.6%
|
|
| 3 | 785 |
3.5%
|
|
| 4 | 430 |
1.9%
|
|
| Sysmiss | 9683 |