| Value | Category | Cases | |
|---|---|---|---|
| 0 | 403 |
53.3%
|
|
| 1 | 261 |
34.5%
|
|
| 2 | 68 |
9%
|
|
| 3 | 16 |
2.1%
|
|
| 4 | 4 |
0.5%
|
|
| 5 | 1 |
0.1%
|
|
| 6 | 1 |
0.1%
|
|
| 8 | 1 |
0.1%
|
|
| 9 | 1 |
0.1%
|
|
| Sysmiss | 5471 |