| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4808 |
32.8%
|
|
| 1 | 6217 |
42.4%
|
|
| 2 | 3174 |
21.6%
|
|
| 3 | 418 |
2.8%
|
|
| 4 | 48 |
0.3%
|
|
| 5 | 11 |
0.1%
|
|
| 6 | 1 |
0%
|
|
| Sysmiss | 923 |