| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6721 |
56.4%
|
|
| 1 | 3333 |
27.9%
|
|
| 2 | 1507 |
12.6%
|
|
| 3 | 277 |
2.3%
|
|
| 4 | 65 |
0.5%
|
|
| 5 | 20 |
0.2%
|
|
| 6 | 2 |
0%
|
|
| Sysmiss | 225 |