Year Dollars 1992-01-01 351843274 1997-01-01 339010553 2002-01-01 353840224 2003-01-01 338814768 2004-01-01 492678441 2005-01-01 316196261 2006-01-01 227037806 2007-01-01 527165054 2008-01-01 1290540396 2009-01-01 551093319 2010-01-01 896498295 2011-01-01 828923885 2012-01-01 1301809558 2013-01-01 978992760 2014-01-01 929611222 2015-01-01 982146752 2016-01-01 628566710