Year Dollars 1992-01-01 86202715 1997-01-01 115412023 2002-01-01 63301541 2003-01-01 64226486 2004-01-01 62588461 2005-01-01 79775131 2006-01-01 118536373 2007-01-01 74135199 2008-01-01 198035917 2009-01-01 161433680 2010-01-01 197847497 2011-01-01 255296938 2012-01-01 467656819 2013-01-01 392528053 2014-01-01 316088293 2015-01-01 206190350 2016-01-01 101862617