| Value | Category | Cases | |
|---|---|---|---|
| 0 | Never | 3120 |
89%
|
| 1 | Once | 154 |
4.4%
|
| 2 | Daily | 18 |
0.5%
|
| 3 | Weekly | 24 |
0.7%
|
| 4 | Monthly | 43 |
1.2%
|
| 5 | Less often than monthly | 147 |
4.2%
|
| 11 | .R | 4 | |
| Sysmiss | 2701 |