| Value | Category | Cases | |
|---|---|---|---|
| 1 | four | 44 |
1.8%
|
| 2 | one | 1183 |
47.1%
|
| 3 | three | 98 |
3.9%
|
| 4 | two | 206 |
8.2%
|
| Missing value | 981 |
39.1%
|