| Value | Category | Cases | |
|---|---|---|---|
| 0 | 529 |
90.6%
|
|
| 1 | 34 |
5.8%
|
|
| 2 | 14 |
2.4%
|
|
| 3 | 3 |
0.5%
|
|
| 4 | 1 |
0.2%
|
|
| 5 | 1 |
0.2%
|
|
| 6 | 1 |
0.2%
|
|
| 8 | 1 |
0.2%
|
|
| Sysmiss | 517 |