| Value | Category | Cases | |
|---|---|---|---|
| 0 | 9591 |
90.1%
|
|
| 1 | 582 |
5.5%
|
|
| 2 | 280 |
2.6%
|
|
| 3 | 174 |
1.6%
|
|
| 4 | 13 |
0.1%
|
|
| 7 | 1 |
0%
|
|
| Sysmiss | 7892 |