Year Dollars 1992-01-01 22957782 1997-01-01 94237147 2002-01-01 83910014 2003-01-01 102997112 2004-01-01 117388518 2007-01-01 146001947 2008-01-01 143790080 2009-01-01 105657541 2010-01-01 144932182 2011-01-01 129624024 2012-01-01 132278427 2013-01-01 154163359 2014-01-01 155738764 2015-01-01 110409721 2016-01-01 46942577