| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3421 |
64.5%
|
|
| 1 | 1460 |
27.5%
|
|
| 2 | 286 |
5.4%
|
|
| 3 | 73 |
1.4%
|
|
| 4 | 33 |
0.6%
|
|
| 5 | 18 |
0.3%
|
|
| 6 | 12 |
0.2%
|
|
| 7 | 3 |
0.1%
|
|
| Sysmiss | 3044 |