| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1104 |
6.8%
|
|
| 1 | 7998 |
49.1%
|
|
| 2 | 4708 |
28.9%
|
|
| 3 | 1654 |
10.2%
|
|
| 4 | 553 |
3.4%
|
|
| 5 | 202 |
1.2%
|
|
| 6 | 76 |
0.5%
|
|
| Sysmiss | 275 |