| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3500 |
96.6%
|
|
| 1 | 18 |
0.5%
|
|
| 2 | 44 |
1.2%
|
|
| 3 | 61 |
1.7%
|
|
| Sysmiss | 1694 |