| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3272 |
28.6%
|
|
| 1 | 6530 |
57.2%
|
|
| 2 | 1286 |
11.3%
|
|
| 3 | 284 |
2.5%
|
|
| 4 | 29 |
0.3%
|
|
| 5 | 20 |
0.2%
|
|
| Sysmiss | 218 |