The Washington Post’s Wonkblog asked some well known people for their “favorite” graph of the year. PayPal co-founder Peter Thiel chose the graph below.

Peter Thiel’s Graph of the Year

Time has its “Person of the Year.” Amazon has its books of the year. Pretty Much Amazing has its mixtapes of the year. Buzzfeed has its insane-stories-from-Florida of the year. And Wonkblog, of course, has its graphs of the year. For 2013, we asked some of the year’s most interesting, important and influential thinkers to name their favorite graph of the year — and why they chose it. Here’s Peter Thiel’s.

Knowledge may be priceless, but a higher education is clearly not. University administrators keep hiking tuition, the wages of graduates keep falling, and a whole generation of Americans is struggling under the crushing burden of debt as they postpone their dreams for a tomorrow that may never come.