Year Dollars 1992-01-01 772321 1997-01-01 1308932 2002-01-01 1725446 2003-01-01 1529992 2004-01-01 2935353 2005-01-01 8133942 2006-01-01 5129940 2007-01-01 7178892 2008-01-01 6523650 2009-01-01 4312192 2010-01-01 3364228 2011-01-01 4828098 2012-01-01 6016021 2013-01-01 6611801 2014-01-01 5044815 2015-01-01 2275327 2016-01-01 2605999