| Value | Category | Cases | |
|---|---|---|---|
| 0 | 304 |
75.8%
|
|
| 1 | 54 |
13.5%
|
|
| 2 | 27 |
6.7%
|
|
| 3 | 6 |
1.5%
|
|
| 4 | 7 |
1.7%
|
|
| 5 | 1 |
0.2%
|
|
| 6 | 2 |
0.5%
|
|
| Sysmiss | 54 |