| Value | Category | Cases | |
|---|---|---|---|
| 0 | 457 |
6.7%
|
|
| 1 | 4065 |
59.8%
|
|
| 2 | 698 |
10.3%
|
|
| 3 | 255 |
3.8%
|
|
| 4 | 56 |
0.8%
|
|
| 5 | 11 |
0.2%
|
|
| 6 | 6 |
0.1%
|
|
| 7 | 2 |
0%
|
|
| 8 | 1 |
0%
|
|
| Missing value | 1243 |
18.3%
|