| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 2751 |
74.9%
|
| 2 | 1-4 hours a year | 792 |
21.6%
|
| 3 | 5-19 hours year | 96 |
2.6%
|
| 4 | 20-49 hours a year | 22 |
0.6%
|
| 5 | 50 or more hours a year | 10 |
0.3%
|
| 7 | N/A | 6412 | |
| 8 | Invalid | 2 | |
| 9 | Missing | 262 |