| Value | Category | Cases | |
|---|---|---|---|
| 0 | 501 |
34.5%
|
|
| 1 | 568 |
39.1%
|
|
| 2 | 263 |
18.1%
|
|
| 3 | 87 |
6%
|
|
| 4 | 26 |
1.8%
|
|
| 5 | 5 |
0.3%
|
|
| 6 | 2 |
0.1%
|
|
| 8 | 1 |
0.1%
|
|
| 11 | 1 |
0.1%
|
|
| Sysmiss | 109 |