Year Dollars 1992-01-01 598275 1997-01-01 1274290 2002-01-01 444193 2003-01-01 381947 2004-01-01 429209 2005-01-01 547392 2006-01-01 381809 2007-01-01 2277391 2008-01-01 778232 2009-01-01 1547270 2010-01-01 1178871 2011-01-01 977005 2012-01-01 1958157 2013-01-01 990360 2014-01-01 2029006 2015-01-01 1566610 2016-01-01 2715283