| Value | Category | Cases | |
|---|---|---|---|
| 0 | 364 |
67.4%
|
|
| 1 | 134 |
24.8%
|
|
| 2 | 27 |
5%
|
|
| 3 | 9 |
1.7%
|
|
| 4 | 4 |
0.7%
|
|
| 5 | 1 |
0.2%
|
|
| 6 | 1 |
0.2%
|
|
| Sysmiss | 21 |