| Value | Category | Cases | |
|---|---|---|---|
| 0 | 1647 |
9.4%
|
|
| 1 | 3743 |
21.5%
|
|
| 2 | 3728 |
21.4%
|
|
| 3 | 3854 |
22.1%
|
|
| 4 | 2581 |
14.8%
|
|
| 5 | 1891 |
10.8%
|
|
| 7 | N/A | 0 | |
| 8 | Invalid | 0 | |
| 9 | Missing | 695 |