The latest motor vehicle census is out. Motorcycles have grown by 8.2% pa year on year in the reporting period (from 2006). Almost 50% increase in rego's since 2006. More info in the report: http://www.abs.gov.au/ausstats/abs@.nsf/mf/9309.0?OpenDocument It's interesting that the biggest growth sector from 2010 to 2011 is campervans! Looks like the grey nomads are staking a claim.