| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4 |
1.5%
|
|
| 1 | 45 |
16.4%
|
|
| 2 | 160 |
58.4%
|
|
| 3 | 47 |
17.2%
|
|
| 4 | 14 |
5.1%
|
|
| 5 | 3 |
1.1%
|
|
| 6 | 1 |
0.4%
|
|
| Sysmiss | 10 |