Year Dollars 1992-01-01 135525930 1997-01-01 253866388 2002-01-01 479948266 2003-01-01 540054442 2004-01-01 502505758 2005-01-01 474607980 2006-01-01 575165271 2007-01-01 719213079 2008-01-01 917873692 2009-01-01 709127863 2010-01-01 828774639 2011-01-01 993438438 2012-01-01 1004669608 2013-01-01 1080493273 2014-01-01 1080558174 2015-01-01 1188050605 2016-01-01 1200316664