Year Dollars 1992-01-01 57061949 1997-01-01 90028151 2002-01-01 132433804 2003-01-01 128158025 2004-01-01 144252755 2005-01-01 125387255 2006-01-01 152499568 2007-01-01 169194486 2008-01-01 235943897 2009-01-01 230601003 2010-01-01 266648831 2011-01-01 366630549 2012-01-01 322615491 2013-01-01 368490170 2014-01-01 285061206 2015-01-01 278171453 2016-01-01 328848618