| Value | Category | Cases | |
|---|---|---|---|
| 0 | 665 |
48.5%
|
|
| 1 | 498 |
36.3%
|
|
| 2 | 164 |
12%
|
|
| 3 | 32 |
2.3%
|
|
| 4 | 6 |
0.4%
|
|
| 5 | 1 |
0.1%
|
|
| 6 | 4 |
0.3%
|
|
| 8 | 1 |
0.1%
|
|
| Sysmiss | 3 |