The document contains information from a real estate report comparing housing market statistics from May 2009 to May 2010 in Richardson, Texas. It states that the median price of for-sale properties decreased 2% from May 2009 to May 2010, while the median price of sold properties decreased 7% in that period. Additionally, the number of for-sale properties increased 17% from May 2009 to May 2010, while the number of sold properties decreased 7%. Finally, the average months supply of inventory, a measure of housing demand and supply, increased 144% from May 2009 to May 2010.