Year Dollars 1992-01-01 335933 1997-01-01 81992 2002-01-01 1414437 2003-01-01 810986 2004-01-01 1390301 2005-01-01 1844932 2006-01-01 453121 2007-01-01 2335033 2008-01-01 1340893 2009-01-01 1963426 2010-01-01 2677380 2011-01-01 3968405 2012-01-01 3313710 2013-01-01 6530973 2014-01-01 1523878 2015-01-01 1713825 2016-01-01 1704254