Neat gadget from the New Yorker graphically showing that data. This is neat enough already, but the icing on the cake would be a way to look at per movie gross against ROI. Studios get nervous with big productions where they'll get killed if they don't make back their investment; better to have low-to-moderate-investment projects that are reliably profitable (hence Adam Sandler movies). Of course, you could be saying "but what about art!?!" in which case, there are any number of riskier projects on Kickstarter that would love your attention. The big studios pursue awards secondarily - they're businesses. (That's why they're big.)
Not surprisingly, with a much higher ROI on smaller initial outlays, more consistent ongoing returns over time, and distribution technology that allows them to control piracy much better, video games are commanding increasing attention as a fraction of the entertainment market. The only question is, where are the video game stars, and why haven't they outshone the film industry yet?