| Value | Category | Cases | |
|---|---|---|---|
| 0 | 6 |
0.5%
|
|
| 1 | 187 |
14.1%
|
|
| 2 | 219 |
16.5%
|
|
| 3 | 123 |
9.3%
|
|
| 4 | 32 |
2.4%
|
|
| 5 | 5 |
0.4%
|
|
| 6 | 2 |
0.2%
|
|
| 7 | 1 |
0.1%
|
|
| 8 | 1 |
0.1%
|
|
| 20 | 5 |
0.4%
|
|
| Missing value | 746 |
56.2%
|