| Value | Category | Cases | |
|---|---|---|---|
| 0 | 502 |
32.4%
|
|
| 1 | 559 |
36%
|
|
| 2 | 328 |
21.1%
|
|
| 3 | 106 |
6.8%
|
|
| 4 | 43 |
2.8%
|
|
| 5 | 6 |
0.4%
|
|
| 6 | 6 |
0.4%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 1627 |