Year | Value | 2022 | 78,643 | 2021 | 75,875 | 2020 | 73,218 | 2019 | 70,533 | 2018 | 67,773 | 2017 | 65,147 | 2016 | 62,712 | 2015 | 60,502 | 2014 | 58,226 | 2013 | 56,061 | 2012 | 54,852 | 2011 | 54,280 | 2010 | 53,752 | 2009 | 53,613 | 2008 | 53,670 | 2007 | 52,948 | 2006 | 51,766 | 2005 | 50,616 | 2004 | 49,300 | 2003 | 47,874 | 2002 | 46,377 | 2001 | 44,297 | 2000 | 42,285 | 1999 | 41,819 | 1998 | 42,134 | 1997 | 42,163 | 1996 | 42,019 | 1995 | 42,228 | 1994 | 42,587 | 1993 | 42,792 | 1992 | 43,204 | 1991 | 44,339 | 1990 | 44,165 | 1989 | 42,825 | 1988 | 42,107 | 1987 | 41,298 | 1986 | 40,485 | 1985 | 39,772 | 1984 | 39,146 | 1983 | 38,534 | 1982 | 37,948 | 1981 | 37,378 | 1980 | 36,822 | 1979 | 36,282 | 1978 | 35,757 | 1977 | 35,245 | 1976 | 34,740 | 1975 | 34,239 | 1974 | 33,735 | 1973 | 33,225 | 1972 | 32,706 | 1971 | 32,176 | 1970 | 31,627 | 1969 | 31,070 | 1968 | 30,499 | 1967 | 29,909 | 1966 | 29,317 | 1965 | 28,731 | 1964 | 28,148 | 1963 | 27,576 | 1962 | 27,017 | 1961 | 26,462 | 1960 | 25,905 |
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