The average retail rents per square foot have been going up over the last few years in several glitzy areas, according to the Real Estate Board of New York.

Fifth Ave
49th St.-59th St
2014: $3,550
2013: $3,052
2012: $2,750
2011: $2,250
2010: $2,300

Madison Ave
57th St.- 72nd St
2014: $1,643
2013: $1,325
2012: $1,203
2011: $919
2010: $960

Times Square
2014: $2,407
2013: $2,175
2012: $1,400
2011: $1,600
2010: $1,400

Herald Square
2014: $883
2013: $724
2012: $558
2011: $455
2010: $500