| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1131 |
31%
|
|
| 1 | 900 |
24.7%
|
|
| 2 | 818 |
22.5%
|
|
| 3 | 668 |
18.3%
|
|
| 4 | 105 |
2.9%
|
|
| 5 | 18 |
0.5%
|
|
| 6 | 3 |
0.1%
|
|
| Sysmiss | 4 |