Year Dollars 1992-01-01 154441 1997-01-01 319879 2002-01-01 1529107 2003-01-01 1127064 2004-01-01 1079779 2005-01-01 245013 2006-01-01 303421 2007-01-01 404994 2008-01-01 541093 2009-01-01 1853860 2011-01-01 387853 2012-01-01 323105 2013-01-01 480806 2014-01-01 271824 2015-01-01 502405 2016-01-01 798739