| Value | Category | Cases | |
|---|---|---|---|
| 0 | 3 |
0.2%
|
|
| 1 | 38 |
2.1%
|
|
| 2 | 146 |
8%
|
|
| 3 | 262 |
14.3%
|
|
| 4 | 300 |
16.4%
|
|
| 5 | 246 |
13.4%
|
|
| 6 | 127 |
6.9%
|
|
| 7 | 707 |
38.7%
|
|
| Sysmiss | 733 |