Year Dollars 1992-01-01 134465 1997-01-01 823534 2002-01-01 1127708 2003-01-01 2110217 2004-01-01 5112726 2005-01-01 751256 2006-01-01 1523193 2007-01-01 2885846 2008-01-01 2902878 2009-01-01 4551494 2010-01-01 3152264 2011-01-01 2024225 2012-01-01 2643399 2013-01-01 8678992 2014-01-01 2749378 2015-01-01 2584767 2016-01-01 821168