Year Dollars 1992-01-01 14045928 1997-01-01 27779448 2002-01-01 14510508 2003-01-01 17398260 2004-01-01 21583388 2005-01-01 36467688 2006-01-01 53600877 2007-01-01 65939045 2008-01-01 102683646 2009-01-01 69534968 2010-01-01 99504480 2011-01-01 115021759 2012-01-01 136069523 2013-01-01 112507639 2014-01-01 121372272 2015-01-01 148567962 2016-01-01 145819080