| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 1594 |
40.9%
|
| 2 | 1-4 hours a year | 1157 |
29.7%
|
| 3 | 5-19 hours year | 861 |
22.1%
|
| 4 | 20-49 hours a year | 198 |
5.1%
|
| 5 | 50 or more hours a year | 88 |
2.3%
|
| 7 | N/A | 6215 | |
| 8 | Invalid | 2 | |
| 9 | Missing | 232 |