Year Number 1980 832492.125 1981 857971.9375 1982 871462 1983 882073.3125 1984 893746.6875 1985 908543.625 1986 926721.125 1987 958479.9375 1988 990142.8125 1989 1011107.0625 1990 1042463.4375 1991 1072358.625 1992 1117193.375 1993 1155738.75 1994 1180578.25 1995 1186136 1996 1208433.25 1997 1192800.375 1998 1189413.375 1999 1172127.125 2000 1147756.875 2001 1142113.375 2002 1137140.125 2003 1118902.75 2004 1184792.125 2005 1129225 2006 1113156 2007 1113880.625 2008 1110986.375 2009 1096604.625 2010 1092344.125 2011 1117779.25 2012 1126513 2013 1091413.375 2014 1111088.5 2015 1142629.375 2016 1151072.25 2017 1159442.5 2018 1195426.375 2019 1205765.5 2020 1220919.25 2021 1257831.25 2022 1272854