| Value | Category | Cases | |
|---|---|---|---|
| 0 | 495 |
91.2%
|
|
| 1 | 33 |
6.1%
|
|
| 2 | 9 |
1.7%
|
|
| 3 | 1 |
0.2%
|
|
| 5 | 1 |
0.2%
|
|
| 6 | 1 |
0.2%
|
|
| 8 | 1 |
0.2%
|
|
| 10 | 2 |
0.4%
|
|
| Sysmiss | 18 |