| Value | Category | Cases | |
|---|---|---|---|
| 1 | 1. Never | 9439 |
47%
|
| 2 | 2. Sometimes | 6932 |
34.5%
|
| 3 | 3. Often | 1568 |
7.8%
|
| 4 | 4. Every day | 2155 |
10.7%
|
| 9 | 9. Unspecified | 1 |
0%
|