| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6853 |
80.4%
|
|
| 1 | 1364 |
16%
|
|
| 2 | 257 |
3%
|
|
| 3 | 38 |
0.4%
|
|
| 4 | 11 |
0.1%
|
|
| 6 | 3 |
0%
|
|
| 7 | 1 |
0%
|
|
| Sysmiss | 48 |