| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 977 |
81.4%
|
| 1 | Yes, once | 142 |
11.8%
|
| 2 | Yes, twice | 47 |
3.9%
|
| 3 | Yes, three or more times | 34 |
2.8%
|
| 9 | Don't Know | 0 |
0%
|
| 998 | Refused | 0 |
0%
|