Year Dollars 1992-01-01 1334150 1997-01-01 1813204 2002-01-01 1503147 2003-01-01 1432303 2004-01-01 2175314 2005-01-01 2298034 2006-01-01 838092 2007-01-01 2401480 2008-01-01 2517761 2010-01-01 1957201 2011-01-01 2748428 2012-01-01 3179756 2013-01-01 3786963 2014-01-01 1785166 2015-01-01 1617940 2016-01-01 1835542