| Value | Category | Cases | |
|---|---|---|---|
| 1 | Daily | 4 |
0.2%
|
| 2 | A few times per week | 10 |
0.5%
|
| 3 | A few times per month | 17 |
0.8%
|
| 4 | Once a month or less | 61 |
3%
|
| 5 | Did not call, never | 1929 |
95.4%
|
| Sysmiss | 1 |