| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 11 |
0.5%
|
| 0 | Never | 877 |
36.8%
|
| 1 | Occasionally | 1187 |
49.7%
|
| 2 | Frequently | 304 |
12.7%
|
| 9 | Don't know | 7 |
0.3%
|
| 98 | Refused | 0 |
0%
|