| Value | Category | Cases | |
|---|---|---|---|
| 0 | 939 |
29.5%
|
|
| 1 | 610 |
19.2%
|
|
| 2 | 204 |
6.4%
|
|
| 3 | 37 |
1.2%
|
|
| 4 | 7 |
0.2%
|
|
| 5 | 4 |
0.1%
|
|
| 6 | 2 |
0.1%
|
|
| Missing value | 1377 |
43.3%
|