| Value | Category | Cases | |
|---|---|---|---|
| 1 | 2 | 2 |
0.9%
|
| 2 | 4 | 1 |
0.5%
|
| 3 | 19 | 1 |
0.5%
|
| 4 | 25 | 1 |
0.5%
|
| Missing value | 217 |
97.7%
|