| Value | Category | Cases | |
|---|---|---|---|
| 1 | none | 7 |
0.3%
|
| 2 | oneORless | 232 |
10.5%
|
| 3 | threeOrmore | 859 |
39%
|
| 4 | twoORmore | 1103 |
50.1%
|
| Missing value | 406 |