| Value | Category | Cases | |
|---|---|---|---|
| 0 | 635 |
12.7%
|
|
| 1 | 420 |
8.4%
|
|
| 2 | 149 |
3%
|
|
| 3 | 63 |
1.3%
|
|
| 4 | 10 |
0.2%
|
|
| 5 | 11 |
0.2%
|
|
| 6 | 3 |
0.1%
|
|
| 7 | 9 |
0.2%
|
|
| Missing value | 3704 |
74%
|