| Value | Category | Cases | |
|---|---|---|---|
| 0 | 731 |
34.5%
|
|
| 1 | 621 |
29.3%
|
|
| 2 | 473 |
22.3%
|
|
| 3 | 204 |
9.6%
|
|
| 4 | 66 |
3.1%
|
|
| 5 | 18 |
0.8%
|
|
| 6 | 6 |
0.3%
|
|
| 7 | 2 |
0.1%
|
|
| Sysmiss | 977 |