Year Number 1995 6199.99980926514 1996 6400.00009536743 1997 4800.00019073486 1998 5599.99990463257 1999 5800.00019073486 2000 7099.99990463257 2001 7500 2002 9199.99980926514 2003 10000 2004 10600.0003814697 2005 15800.000190734901 2006 12300.000190734901 2007 11800.000190734901 2008 14500 2009 15199.999809265099 2010 8000 2011 12199.999809265099 2015 25600.0003814697 2016 28899.9996185303 2017 28899.9996185303 2018 33400.0015258789