Year Dollars 1992-01-01 834073 1997-01-01 252919 2004-01-01 566315 2005-01-01 1023168 2006-01-01 2463910 2007-01-01 2226012 2008-01-01 2312712 2009-01-01 3795273 2010-01-01 2670359 2011-01-01 3360140 2012-01-01 1658291 2013-01-01 3016145 2014-01-01 2265041 2015-01-01 2834121 2016-01-01 2929913