| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 645 |
38.6%
|
| 2 | 2 | 142 |
8.5%
|
| 3 | 3 | 43 |
2.6%
|
| 4 | 4 | 6 |
0.4%
|
| 5 | 5 | 2 |
0.1%
|
| 6 | 6 | 1 |
0.1%
|
| Missing value | 830 |
49.7%
|