Who's made the most box office dough so far in 2013? Read on to find out! Hollywood's top 10 contains several surprises and tells us a lot about a market clearly in flux. As we begin the second half of the 2013 movie season, we look back on the top 10 most successful films of the year. These aren't necessarily Hollywood's best, but that doesn't mean industry reps are complaining. Let's take a look at the numbers so far: Iron Man 3 $405,435,000 Man of Steel $248,660,000 Oz The Great and Powerful $234,668,782 Fast Six $233,313,000 Star Trek Into Darkness $220,501,000 The Croods $184,412,000 Monsters University $171,006,000 Great Gatsby $141,988,676 Identity Thief $134,506,920 World War Z $123,722,000 Looking at these