| Value | Category | Cases | |
|---|---|---|---|
| 1 | 12 |
0.4%
|
|
| 2 | 79 |
2.6%
|
|
| 3 | 328 |
10.6%
|
|
| 4 | 1357 |
44%
|
|
| 5 | 618 |
20.1%
|
|
| 6 | 226 |
7.3%
|
|
| Missing value | 462 |
15%
|