| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1 |
0.1%
|
|
| 2 | 2 |
0.3%
|
|
| 3 | 1 |
0.1%
|
|
| 4 | 1 |
0.1%
|
|
| Missing value | 714 |
99.3%
|