Year Dollars 1992-01-01 114819 1997-01-01 1810256 2002-01-01 1296716 2003-01-01 537279 2004-01-01 595153 2005-01-01 837505 2006-01-01 1974520 2010-01-01 3300859 2011-01-01 2307746 2012-01-01 2212824 2013-01-01 3189833 2014-01-01 2218965 2015-01-01 3739945 2016-01-01 2399435