Year Dollars 1992-01-01 586288 1997-01-01 1422964 2002-01-01 319381 2003-01-01 221461 2004-01-01 723010 2005-01-01 828489 2006-01-01 1211642 2007-01-01 4836368 2008-01-01 1135967 2009-01-01 3714883 2010-01-01 3699498 2011-01-01 5906887 2012-01-01 4602563 2013-01-01 3117419 2014-01-01 5540545 2015-01-01 1357072 2016-01-01 1892419