| Value | Category | Cases | |
|---|---|---|---|
| 0 | 60 |
7%
|
|
| 1 | 635 |
74.4%
|
|
| 2 | 133 |
15.6%
|
|
| 3 | 19 |
2.2%
|
|
| 4 | 4 |
0.5%
|
|
| 7 | 1 |
0.1%
|
|
| 8 | 1 |
0.1%
|
|
| 36 | 1 |
0.1%
|
|
| Sysmiss | 8827 |