1995, 2000, 2001, 2005, 2010, 2015
| Code | Value |
|---|---|
| MEAN_MIN | Mean minutes |
| PCT_LESS_15 | Less than 15 minutes |
| PCT_15_29 | 15 to 29 minutes |
| PCT_30_59 | 30 to 59 minutes |
| PCT_1_2HRS | 1 to 2 hours |
| PCT_2HRS | More than 2 hours |
| PCT_NA | Not applicable |
| PCT_DK | Don't know |
| PCT_REFUSE | Refusal |