Still out in theatres and slowly working its way past US$800million worldwide, the second TFs movie has made it into the top 10 all-time earners list in America, AND the top 20 all-time earners worldwide lists.
http://www.boxofficemojo.com/alltime/domestic.htm
http://www.boxofficemojo.com/alltime/world/

And on the 'adjusted for inflation' US list, ROTF comes in at #84.
http://www.boxofficemojo.com/alltime/adjusted.htm