| Value | Category | Cases | |
|---|---|---|---|
| 0 | 72 |
9.8%
|
|
| 1 | 405 |
55.1%
|
|
| 2 | 201 |
27.3%
|
|
| 3 | 42 |
5.7%
|
|
| 4 | 14 |
1.9%
|
|
| 5 | 1 |
0.1%
|
|
| Sysmiss | 16 |