| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1071 |
89.2%
|
|
| 1 | 77 |
6.4%
|
|
| 2 | 36 |
3%
|
|
| 3 | 10 |
0.8%
|
|
| 4 | 3 |
0.2%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 2 |
0.2%
|
|
| 9 | 1 |
0.1%
|
|
| Sysmiss | 67 |