| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
0.7%
|
|
| 1 | 88 |
21.1%
|
|
| 2 | 120 |
28.7%
|
|
| 3 | 129 |
30.9%
|
|
| 4 | 58 |
13.9%
|
|
| 5 | 14 |
3.3%
|
|
| 6 | 5 |
1.2%
|
|
| 7 | 1 |
0.2%
|
|
| Sysmiss | 1533 |