| Value | Category | Cases | |
|---|---|---|---|
| 0 | 14 |
2.2%
|
|
| 1 | 510 |
80.1%
|
|
| 2 | 81 |
12.7%
|
|
| 3 | 16 |
2.5%
|
|
| 4 | 10 |
1.6%
|
|
| 5 | 4 |
0.6%
|
|
| 6 | 2 |
0.3%
|
|
| Sysmiss | 2746 |