| Value | Category | Cases | |
|---|---|---|---|
| 0 | 379 |
13.2%
|
|
| 1 | 610 |
21.2%
|
|
| 2 | 232 |
8.1%
|
|
| 3 | 58 |
2%
|
|
| 4 | 12 |
0.4%
|
|
| 5 | 4 |
0.1%
|
|
| 6 | 1 |
0%
|
|
| Missing value | 1583 |
55%
|