| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 1 |
0.1%
|
| 2 | oneORless | 45 |
6%
|
| 3 | threeOrmore | 368 |
49.3%
|
| 4 | twoORmore | 332 |
44.5%
|
| Missing value | 147 |