| Value | Category | Cases | |
|---|---|---|---|
| 0 | 50 |
8.2%
|
|
| 1 | 280 |
46.1%
|
|
| 2 | 178 |
29.3%
|
|
| 3 | 65 |
10.7%
|
|
| 4 | 26 |
4.3%
|
|
| 5 | 7 |
1.2%
|
|
| 6 | 2 |
0.3%
|
|
| Missing value | 455 |