Year Dollars 1992-01-01 2097524 1997-01-01 11225705 2002-01-01 17071878 2003-01-01 14337394 2004-01-01 18001171 2005-01-01 19883473 2006-01-01 29901475 2007-01-01 35095763 2008-01-01 44755854 2009-01-01 36226017 2010-01-01 51387159 2011-01-01 77096692 2012-01-01 83603864 2013-01-01 85198260 2014-01-01 72202191 2015-01-01 73906936 2016-01-01 79844474