Year Number 1988 790141.4375 1989 803047.5625 1990 836114.375 1991 849878.625 1992 845779.9375 1993 890635.875 1994 892717.9375 1995 889905.4375 1996 908178.5625 1997 915224.0625 1998 900650.5625 1999 899657 2000 906030.875 2001 895526 2002 893898.4375 2003 869904.4375 2004 864705.875 2005 891297.125 2006 877806.1875 2007 851732.125 2008 830197 2009 817245 2010 803078 2011 818000 2012 803567 2013 784164 2014 756837.875 2015 751590.8125 2016 742105 2017 734741.1875 2018 697285.6875 2019 725673 2020 794043.5625 2021 808497.25 2022 822690.9375