| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 1 |
0.3%
|
| 2 | oneORless | 23 |
6.3%
|
| 3 | threeOrmore | 218 |
60.1%
|
| 4 | twoORmore | 121 |
33.3%
|
| Missing value | 73 |