| Value | Category | Cases | |
|---|---|---|---|
| 1 | Regularly | 130 |
59.9%
|
| 2 | Irregularly | 13 |
6%
|
| 3 | Very irregularly | 4 |
1.8%
|
| 4 | Refused to answer | 1 |
0.5%
|
| 99 | N/R | 69 |
31.8%
|
| 999 | N/A | 0 |
0%
|
| Sysmiss | 982 |