Real inflation has been more than 9% over the last 10 years? Based on what?
`The Government calculates inflation based on the prices of a very limited group of goods and services
During the Obama administration they changed that list to eliminate things pushed the inflation rate up.
I cant recall what they are at the moment.
The last 10 years inflation has been 18.4%.
Try this inflation calculator
http://www.usinflationcalculator.com/
It uses government CPI data.