| Value | Category | Cases | |
|---|---|---|---|
| 1 | This term | 7 |
3.6%
|
| 2 | Last term | 11 |
5.6%
|
| 3 | Last year | 41 |
20.9%
|
| 4 | More than three years ago | 34 |
17.3%
|
| 5 | Never | 95 |
48.5%
|
| 95 | missing | 2 |
1%
|
| 96 | other | 0 |
0%
|
| 97 | refusal | 0 |
0%
|
| 98 | dtk | 0 |
0%
|
| 99 | na | 6 |
3.1%
|