| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 9 |
0.6%
|
| 2 | 2 | 3 |
0.2%
|
| 3 | 3 | 185 |
12.7%
|
| 4 | 4 | 1155 |
79%
|
| Missing value | 110 |
7.5%
|