Year Dollars 1992-01-01 748323 1997-01-01 1682796 2002-01-01 1545243 2003-01-01 2199231 2004-01-01 868321 2005-01-01 1149797 2006-01-01 1085261 2007-01-01 4551288 2009-01-01 8425256 2010-01-01 1468370 2011-01-01 1391601 2012-01-01 1737997 2013-01-01 2368267 2014-01-01 1930764 2015-01-01 1841352 2016-01-01 1135110