| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6933 |
65.2%
|
|
| 1 | 2506 |
23.6%
|
|
| 2 | 1104 |
10.4%
|
|
| 3 | 86 |
0.8%
|
|
| 4 | 11 |
0.1%
|
|
| 6 | 1 |
0%
|
|
| Sysmiss | 7892 |