| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 1114 |
42.3%
|
| 1 | 1304 |
49.5%
|
|
| 2 | 201 |
7.6%
|
|
| 3 | 17 |
0.6%
|
|
| Sysmiss | 5224 |