| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never | 8090 |
95.4%
|
| 2 | Daily | 7 |
0.1%
|
| 3 | Weekly | 19 |
0.2%
|
| 4 | Monthly | 183 |
2.2%
|
| 5 | Less often than monthly | 180 |
2.1%
|
| Sysmiss | 92 |