| Value | Category | Cases | |
|---|---|---|---|
| 0 | 439 |
14.4%
|
|
| 1 | 94 |
3.1%
|
|
| 2 | 250 |
8.2%
|
|
| 3 | 241 |
7.9%
|
|
| 4 | 95 |
3.1%
|
|
| 5 | 78 |
2.6%
|
|
| 6 | 27 |
0.9%
|
|
| 7 | 139 |
4.5%
|
|
| Missing value | 1695 |
55.4%
|