| Value | Category | Cases | |
|---|---|---|---|
| 1 | Within the past year | 504 |
64.2%
|
| 2 | Between 1 - 2 years | 199 |
25.4%
|
| 3 | Between 2 - 4 years | 56 |
7.1%
|
| 4 | More than 4 years ago | 16 |
2%
|
| 8 | Don't know | 1 |
0.1%
|
| 9 | No response | 9 |
1.1%
|
| Sysmiss | 754 |