Year Dollars 1992-01-01 206164 1997-01-01 2904259 2002-01-01 3771075 2003-01-01 3059417 2004-01-01 2148613 2005-01-01 3196505 2006-01-01 1704109 2007-01-01 3462462 2008-01-01 4334761 2009-01-01 3671889 2010-01-01 3692283 2011-01-01 4095960 2012-01-01 38061924 2013-01-01 14593885 2014-01-01 22733042 2015-01-01 23345926 2016-01-01 10993091