| Value | Category | Cases | |
|---|---|---|---|
| 0 | 640 |
42.7%
|
|
| 1 | 515 |
34.4%
|
|
| 2 | 252 |
16.8%
|
|
| 3 | 66 |
4.4%
|
|
| 4 | 17 |
1.1%
|
|
| 5 | 5 |
0.3%
|
|
| 6 | 3 |
0.2%
|
|
| 10 | 1 |
0.1%
|
|
| Sysmiss | 1 |