| Value | Category | Cases | |
|---|---|---|---|
| 0 | 488 |
31.7%
|
|
| 1 | 550 |
35.7%
|
|
| 2 | 341 |
22.1%
|
|
| 3 | 104 |
6.7%
|
|
| 4 | 44 |
2.9%
|
|
| 5 | 8 |
0.5%
|
|
| 6 | 5 |
0.3%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 1637 |