| Value | Category | Cases | |
|---|---|---|---|
| 1 | 3 |
0.4%
|
|
| 2 | 9 |
1.2%
|
|
| 3 | 22 |
2.9%
|
|
| 4 | 1 |
0.1%
|
|
| Missing value | 735 |
95.5%
|