| Value | Category | Cases | |
|---|---|---|---|
| 1 | None | 452 |
33%
|
| 2 | One | 585 |
42.7%
|
| 3 | Three or more | 88 |
6.4%
|
| 4 | Two | 235 |
17.2%
|
| Missing value | 9 |
0.7%
|