| Value | Category | Cases | |
|---|---|---|---|
| 0 | 613 |
37.3%
|
|
| 1 | 600 |
36.5%
|
|
| 2 | 274 |
16.7%
|
|
| 3 | 130 |
7.9%
|
|
| 4 | 20 |
1.2%
|
|
| 5 | 6 |
0.4%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 1534 |