Year Dollars 1992-01-01 779888 1997-01-01 7475009 2002-01-01 3718314 2003-01-01 13068542 2004-01-01 6100779 2005-01-01 6466377 2006-01-01 12082280 2007-01-01 7456936 2008-01-01 32676984 2009-01-01 13129136 2010-01-01 21823701 2011-01-01 30097608 2012-01-01 28415084 2013-01-01 26999135 2014-01-01 30812099 2015-01-01 15385694 2016-01-01 46071616