| Number of households rostered |
10,033 |
1,929 |
2,286 |
2,888 |
2,930 |
| Number of person 16+ rostered |
20,929 |
4,018 |
4,883 |
6,033 |
5,995 |
| Number of drivers rostered |
18,272 |
3,366 |
4,203 |
5,405 |
5,298 |
| Number of driver sampled |
10,740 |
2,013 |
2,473 |
3,135 |
3,119 |
| Number of completed trip Interviews |
7,913 |
1,480 |
1,718 |
2,333 |
2,382 |
| Number of driving trips reported |
16,130 |
2,861 |
3,656 |
4,832 |
4,781 |
| Estimated household level response rate |
24.5% |
25.3% |
24.1% |
24.6% |
23.6% |
| Driver level response rate |
72.4% |
73.6% |
70.3% |
71.8% |
73.9% |
| Overall response rate |
17.7% |
18.6% |
16.9% |
17.7% |
17.4% |
| Mean length of the household roster |
5 minutes 27 seconds |
5 minutes 19 seconds |
5 minutes 27 seconds |
5 minutes 29 seconds |
5 minutes 33 seconds |
| Mean length of the driving trip Interviews |
4 minutes 49 seconds |
4 minutes 17 seconds |
5 minutes 25 seconds |
4 minutes 52 seconds |
4 minutes 43 seconds |