Trulia Voices: What is the average number of days a house is on the market before being sold in Los Angeles, Columbus, OH?

Trulia Voices: What is the average number of days a house is on the market before being sold in Los Angeles, Columbus, OH?http://www.trulia.com/voices/Market_Conditions/What_is_the_average_number_of_days_a_house_is_on_t-114305and Bridgeport, CT in the 400,000 range?en-us