| Value | Category | Cases | |
|---|---|---|---|
| 0 | 350 |
7.9%
|
|
| 1 | 377 |
8.5%
|
|
| 2 | 186 |
4.2%
|
|
| 3 | 107 |
2.4%
|
|
| 4 | 29 |
0.7%
|
|
| 5 | 11 |
0.2%
|
|
| 6 | 4 |
0.1%
|
|
| 7 | 1 |
0%
|
|
| Missing value | 3375 |
76%
|