| Value | Category | Cases | |
|---|---|---|---|
| 0 | 388 |
91.3%
|
|
| 1 | 18 |
4.2%
|
|
| 2 | 14 |
3.3%
|
|
| 3 | 2 |
0.5%
|
|
| 4 | 2 |
0.5%
|
|
| 5 | 1 |
0.2%
|
|
| Sysmiss | 7 |