Number of responders in the four surveys by the number of surveys to which they replied.
| Questionnaires answered (n) | Adults (n) | Percentage | Children (n) | Percentage |
|---|---|---|---|---|
| 4 | 3045 | 23.4 | 366 | 7.9 |
| 3 | 2112 | 16.2 | 632 | 13.6 |
| 2 | 2901 | 22.3 | 1297 | 27.9 |
| 1 | 4949 | 38.1 | 2350 | 50.6 |
| Total responders | 13 007 | 100.0 | 4645 | 100.0 |