Nationally, the average increase in the sales price of existing homes for June, 2013 versus June 2012 is of 9.6%.
You might also divide the country by regions and this will show that the average increase in the sales price of existing homes (June 2013 vs June 2012) is as follow:
Furthermore, at the national level the average sales price of existing homes in 2010 was of $220,000, in 2011 was of $214,000, in 2012 was of $225,400 and for the first half of 2013 is of $237,700.
Although information provided is only for the past three years I hope you find it helpful.
Maria Luisa Bermudez, CIPS, CLHMS, TRC
Maria Luisa Jerez, CIPS, TRC
Real Living First Service Realty
1526 Ponce de Leon Blvd.
Coral Gables, FL 33134