| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 | 9 |
0.5%
|
| 2 | 2 | 6 |
0.3%
|
| 3 | 3 | 152 |
8.5%
|
| 4 | 5 | 1544 |
86.8%
|
| Missing value | 67 |
3.8%
|