| Value | Category | Cases | |
|---|---|---|---|
| 0 | 252 |
2.2%
|
|
| 1 | 312 |
2.7%
|
|
| 2 | 728 |
6.3%
|
|
| 3 | 1073 |
9.3%
|
|
| 4 | 1140 |
9.9%
|
|
| 5 | 1500 |
13%
|
|
| 6 | 703 |
6.1%
|
|
| 7 | 5405 |
46.9%
|
|
| Missing value | 412 |
3.6%
|