| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1598 |
68.3%
|
|
| 1 | 79 |
3.4%
|
|
| 2 | 33 |
1.4%
|
|
| 3 | 23 |
1%
|
|
| 4 | 10 |
0.4%
|
|
| 5 | 1 |
0%
|
|
| 7 | 56 |
2.4%
|
|
| Missing value | 539 |
23%
|