| Value | Category | Cases | |
|---|---|---|---|
| 0 | 2 |
0.8%
|
|
| 1 | 38 |
16%
|
|
| 2 | 68 |
28.7%
|
|
| 3 | 107 |
45.1%
|
|
| 4 | 15 |
6.3%
|
|
| 5 | 3 |
1.3%
|
|
| 6 | 3 |
1.3%
|
|
| 7 | 1 |
0.4%
|
|
| Sysmiss | 1014 |