| Value | Category | Cases | |
|---|---|---|---|
| 1 | Very common | 269 |
11.8%
|
| 2 | Fairly common | 405 |
17.8%
|
| 3 | Fairly rare | 422 |
18.6%
|
| 4 | Very rare | 460 |
20.3%
|
| 9 | Don't know | 699 |
30.8%
|
| 98 | Refused to answer | 1 |
0%
|
| 99 | Missing Data | 15 |
0.7%
|