Year | Value | 2023 | 8,451,170 | 2022 | 8,349,752 | 2021 | 8,252,715 | 2020 | 8,166,737 | 2019 | 8,085,218 | 2018 | 8,006,521 | 2017 | 7,919,814 | 2016 | 7,857,816 | 2015 | 7,854,959 | 2014 | 7,910,183 | 2013 | 8,018,306 | 2012 | 8,169,802 | 2011 | 8,353,702 | 2010 | 8,546,159 | 2009 | 8,730,703 | 2008 | 8,897,650 | 2007 | 9,044,979 | 2006 | 9,172,511 | 2005 | 9,269,878 | 2004 | 9,318,398 | 2003 | 9,315,839 | 2002 | 9,265,144 | 2001 | 9,153,526 | 2000 | 8,999,221 | 1999 | 8,849,150 | 1998 | 8,713,256 | 1997 | 8,601,353 | 1996 | 8,552,572 | 1995 | 8,570,998 | 1994 | 8,618,245 | 1993 | 8,675,525 | 1992 | 8,740,048 | 1991 | 8,807,097 | 1990 | 8,849,889 | 1989 | 8,857,197 | 1988 | 8,854,035 | 1987 | 8,840,485 | 1986 | 8,803,685 | 1985 | 8,737,965 | 1984 | 8,644,681 | 1983 | 8,527,870 | 1982 | 8,386,755 | 1981 | 8,230,954 | 1980 | 8,075,013 | 1979 | 7,920,047 | 1978 | 7,763,807 | 1977 | 7,603,164 | 1976 | 7,409,060 | 1975 | 7,176,095 |
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