Year Dollars 1992-01-01 1754990 1997-01-01 1132097 2002-01-01 4649869 2003-01-01 3019789 2004-01-01 3281070 2005-01-01 1675002 2006-01-01 2455815 2007-01-01 3714972 2008-01-01 6159257 2009-01-01 5648283 2010-01-01 9040237 2011-01-01 9594199 2012-01-01 6141320 2013-01-01 17129371 2014-01-01 14405066 2015-01-01 8252952 2016-01-01 10344804