| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not at all | 3023 |
77.2%
|
| 2 | 1-4 hours a year | 164 |
4.2%
|
| 3 | 5-19 hours year | 174 |
4.4%
|
| 4 | 20-49 hours a year | 235 |
6%
|
| 5 | 50 or more hours a year | 321 |
8.2%
|
| 7 | N/A | 6215 | |
| 8 | Invalid | 6 | |
| 9 | Missing | 209 |