| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 10 |
0.5%
|
| 2 | oneORless | 368 |
20%
|
| 3 | threeOrmore | 505 |
27.5%
|
| 4 | twoORmore | 954 |
51.9%
|
| Missing value | 391 |