Year Dollars 1992-01-01 239080 1997-01-01 533709 2002-01-01 1643110 2003-01-01 1441179 2004-01-01 1196099 2005-01-01 1100309 2006-01-01 1298319 2007-01-01 1751091 2008-01-01 5453386 2009-01-01 2169845 2010-01-01 2266207 2011-01-01 4921035 2012-01-01 1870520 2013-01-01 2053258 2014-01-01 1955460 2015-01-01 2155176 2016-01-01 2313606