Year Dollars 1992-01-01 7503022 1997-01-01 11578620 2002-01-01 19339235 2003-01-01 29315220 2004-01-01 32935614 2005-01-01 22352030 2006-01-01 42061017 2007-01-01 18587297 2008-01-01 24576223 2009-01-01 19199496 2010-01-01 55055395 2011-01-01 27278422 2012-01-01 43093688 2013-01-01 35374802 2014-01-01 41107336 2015-01-01 50157850 2016-01-01 43019217