| Value | Category | Cases | |
|---|---|---|---|
| 0 | 306 |
25.5%
|
|
| 1 | 565 |
47.1%
|
|
| 2 | 231 |
19.3%
|
|
| 3 | 67 |
5.6%
|
|
| 4 | 18 |
1.5%
|
|
| 5 | 10 |
0.8%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 2 |
0.2%
|
|
| Sysmiss | 2825 |