| Value | Category | Cases | |
|---|---|---|---|
| -999 | Don't know | 0 |
0%
|
| -888 | Refuse to answer | 0 |
0%
|
| -777 | Not applicable (never) | 0 |
0%
|
| -666 | Other (please specify) | 187 |
0.7%
|
| 1 | Daily | 5727 |
20.6%
|
| 2 | Weekly | 3470 |
12.5%
|
| 3 | Monthly | 2050 |
7.4%
|
| 4 | Quarterly | 1550 |
5.6%
|
| 5 | Irregularly | 14763 |
53.2%
|
| 11 | .R | 5955 | |
| Sysmiss | 9420 |