| Value | Category | Cases | |
|---|---|---|---|
| 0 | 295 |
9.4%
|
|
| 1 | 332 |
10.6%
|
|
| 2 | 160 |
5.1%
|
|
| 3 | 45 |
1.4%
|
|
| 4 | 10 |
0.3%
|
|
| 5 | 4 |
0.1%
|
|
| 8 | 1 |
0%
|
|
| Missing value | 2283 |
72.9%
|