Year	Dollars
1992-01-01	23701110
1997-01-01	23433445
2002-01-01	26165289
2003-01-01	31669603
2004-01-01	36840193
2005-01-01	38191141
2006-01-01	40481862
2007-01-01	46231393
2008-01-01	52529320
2009-01-01	50989693
2010-01-01	43699494
2011-01-01	43928470
2012-01-01	50047759
2013-01-01	41807345
2014-01-01	55211505
2015-01-01	36831629
2016-01-01	38174745