| Value | Category | Cases | |
|---|---|---|---|
| 0 | 18 |
1.5%
|
|
| 1 | 766 |
65.8%
|
|
| 2 | 323 |
27.7%
|
|
| 3 | 53 |
4.5%
|
|
| 4 | 2 |
0.2%
|
|
| 6 | 1 |
0.1%
|
|
| 10 | 2 |
0.2%
|
|
| Sysmiss | 25 |