Year | Value | 2022 | 52,456,767 | 2021 | 51,426,396 | 2020 | 50,171,172 | 2019 | 48,753,593 | 2018 | 47,259,497 | 2017 | 45,703,213 | 2016 | 44,117,328 | 2015 | 42,521,863 | 2014 | 40,909,890 | 2013 | 39,122,304 | 2012 | 37,221,410 | 2011 | 35,422,426 | 2010 | 33,667,547 | 2009 | 31,964,962 | 2008 | 30,594,482 | 2007 | 29,566,700 | 2006 | 28,730,486 | 2005 | 28,125,722 | 2004 | 27,717,920 | 2003 | 27,468,640 | 2002 | 27,310,797 | 2001 | 27,064,807 | 2000 | 26,666,972 | 1999 | 26,136,911 | 1998 | 25,477,343 | 1997 | 24,765,206 | 1996 | 24,105,284 | 1995 | 23,570,062 | 1994 | 23,146,243 | 1993 | 22,769,801 | 1992 | 22,352,906 | 1991 | 21,879,232 | 1990 | 21,376,395 | 1989 | 20,856,578 | 1988 | 20,317,063 | 1987 | 19,763,344 | 1986 | 19,204,725 | 1985 | 18,624,457 | 1984 | 18,054,441 | 1983 | 17,511,310 | 1982 | 16,966,369 | 1981 | 16,450,137 | 1980 | 16,038,850 | 1979 | 15,742,312 | 1978 | 15,473,120 | 1977 | 15,265,259 | 1976 | 15,111,117 | 1975 | 14,905,644 | 1974 | 14,640,167 | 1973 | 14,355,740 | 1972 | 14,062,999 | 1971 | 13,754,788 | 1970 | 13,451,844 | 1969 | 13,119,464 | 1968 | 12,752,011 | 1967 | 12,378,304 | 1966 | 12,006,756 | 1965 | 11,717,115 | 1964 | 11,478,187 | 1963 | 11,249,444 | 1962 | 11,053,614 | 1961 | 10,856,256 | 1960 | 10,565,347 |
|