Year Dollars 1992-01-01 10456911 1997-01-01 25097901 2002-01-01 21779278 2003-01-01 29666811 2004-01-01 25760933 2005-01-01 22528872 2006-01-01 29768876 2007-01-01 61695795 2008-01-01 90613398 2009-01-01 62039370 2010-01-01 70286808 2011-01-01 99291676 2012-01-01 94732907 2013-01-01 90710767 2014-01-01 113480537 2015-01-01 99086182 2016-01-01 94045383