| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3523 |
78.5%
|
|
| 1 | 366 |
8.2%
|
|
| 2 | 335 |
7.5%
|
|
| 3 | 175 |
3.9%
|
|
| 888 | 90 |
2%
|
|
| Sysmiss | 92 |