| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 1 |
0.2%
|
| 2 | oneORless | 29 |
5.1%
|
| 3 | threeOrmore | 303 |
53.3%
|
| 4 | twoORmore | 236 |
41.5%
|
| Missing value | 100 |