| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1730 |
86.5%
|
|
| 1 | 59 |
3%
|
|
| 2 | 60 |
3%
|
|
| 3 | 48 |
2.4%
|
|
| 4 | 25 |
1.3%
|
|
| 5 | 10 |
0.5%
|
|
| 7 | 67 |
3.4%
|
|
| Sysmiss | 1 |