| Value | Category | Cases | |
|---|---|---|---|
| 1 | One | 129 |
12.4%
|
| 2 | Two | 744 |
71.7%
|
| 3 | Three | 122 |
11.8%
|
| 4 | Refused | 1 |
0.1%
|
| 5 | Don't know | 3 |
0.3%
|
| 6 | Four | 20 |
1.9%
|
| 7 | Data not entered | 18 |
1.7%
|
| Sysmiss | 32 |