First, a bit about what we learned from the last survey.

All of these numbers are about 15 to 20 percent higher than those from our 2009 survey.

The government gets its data from a national survey conducted every five years.

This is up 11% from a similar survey conducted in 2008.

Detailed results from the 2008 survey will be available in 2009.

But he was pulled from his survey of the machines.

She compared the answers to those from a similar survey in 1984.

Price history from surveys taken in November of even number years are also available.

That is up five percentage points from the survey taken seven years ago.

They will be updated in 2007, when data from the 2005 survey become available.