| Value | Category | Cases | |
|---|---|---|---|
| 0 | 446 |
30.4%
|
|
| 1 | 947 |
64.6%
|
|
| 2 | 40 |
2.7%
|
|
| 3 | 19 |
1.3%
|
|
| 4 | 8 |
0.5%
|
|
| 5 | 3 |
0.2%
|
|
| 6 | 4 |
0.3%
|
|
| Sysmiss | 5512 |