| Value | Category | Cases | |
|---|---|---|---|
| 0 | 4637 |
34.8%
|
|
| 1 | 1972 |
14.8%
|
|
| 2 | 2294 |
17.2%
|
|
| 3 | 1488 |
11.2%
|
|
| 4 | 690 |
5.2%
|
|
| 5 | 313 |
2.3%
|
|
| 6 | 143 |
1.1%
|
|
| 7 | 847 |
6.3%
|
|
| Missing value | 956 |
7.2%
|