Year Number 1990 155303.359375 1991 164401.0625 1992 165479.40625 1993 169755.109375 1994 180340.15625 1995 185556.765625 1996 191539.921875 1997 191053.96875 1998 196898.71875 1999 204176.484375 2000 213010.0625 2001 228461.359375 2002 228110.90625 2003 238598.6875 2004 256982.09375 2005 258717.0625 2006 278583.75 2007 293136.09375 2008 316429.90625 2009 346447.71875 2010 362815.5625 2011 376335.15625 2012 387368.4375 2013 421990.28125 2014 474959.1875 2015 503648.71875 2016 488093.5 2017 510674.71875 2018 505720.875 2019 533983.3125 2020 560751.6875 2021 581631.6875 2022 599648.4375