| Value | Category | Cases | |
|---|---|---|---|
| 0 | 538 |
33.3%
|
|
| 1 | 589 |
36.5%
|
|
| 2 | 327 |
20.2%
|
|
| 3 | 109 |
6.7%
|
|
| 4 | 41 |
2.5%
|
|
| 5 | 8 |
0.5%
|
|
| 6 | 2 |
0.1%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 1563 |