| Value | Category | Cases | |
|---|---|---|---|
| 0 | 253 |
32.9%
|
|
| 1 | 425 |
55.3%
|
|
| 2 | 47 |
6.1%
|
|
| 3 | 29 |
3.8%
|
|
| 4 | 7 |
0.9%
|
|
| 5 | 6 |
0.8%
|
|
| 6 | 1 |
0.1%
|
|
| 7 | 1 |
0.1%
|
|
| Sysmiss | 5458 |