| Value | Category | Cases | |
|---|---|---|---|
| -99 | Don't know | 0 |
0%
|
| -96 | Other | 2 |
1.2%
|
| 1 | One time only | 22 |
12.8%
|
| 2 | Once a month | 4 |
2.3%
|
| 3 | Several times a month | 3 |
1.7%
|
| 4 | Twice a year | 28 |
16.3%
|
| 5 | Ongoing | 113 |
65.7%
|
| Sysmiss | 38 |