| Value | Category | Cases | |
|---|---|---|---|
| 0 | 386 |
14.7%
|
|
| 1 | 516 |
19.7%
|
|
| 2 | 169 |
6.4%
|
|
| 3 | 52 |
2%
|
|
| 4 | 10 |
0.4%
|
|
| 5 | 3 |
0.1%
|
|
| 7 | 1 |
0%
|
|
| Missing value | 1484 |
56.6%
|