| Value | Category | Cases | |
|---|---|---|---|
| 0 | 439 |
81.1%
|
|
| 1 | 19 |
3.5%
|
|
| 2 | 18 |
3.3%
|
|
| 3 | 26 |
4.8%
|
|
| 4 | 21 |
3.9%
|
|
| 5 | 10 |
1.8%
|
|
| 6 | 7 |
1.3%
|
|
| Missing value | 1 |
0.2%
|