Year | Value | 2022 | 70,935 | 2021 | 70,492 | 2020 | 70,023 | 2019 | 69,543 | 2018 | 69,087 | 2017 | 68,601 | 2016 | 68,062 | 2015 | 67,456 | 2014 | 66,771 | 2013 | 66,063 | 2012 | 65,294 | 2011 | 64,437 | 2010 | 63,210 | 2009 | 61,864 | 2008 | 60,436 | 2007 | 59,050 | 2006 | 57,754 | 2005 | 56,533 | 2004 | 55,387 | 2003 | 54,290 | 2002 | 53,189 | 2001 | 52,024 | 2000 | 50,942 | 1999 | 49,837 | 1998 | 48,728 | 1997 | 47,559 | 1996 | 46,353 | 1995 | 45,169 | 1994 | 44,043 | 1993 | 42,984 | 1992 | 41,973 | 1991 | 41,066 | 1990 | 40,893 | 1989 | 41,144 | 1988 | 41,419 | 1987 | 41,712 | 1986 | 41,997 | 1985 | 42,268 | 1984 | 42,525 | 1983 | 42,607 | 1982 | 42,544 | 1981 | 42,496 | 1980 | 42,426 | 1979 | 42,294 | 1978 | 42,163 | 1977 | 42,075 | 1976 | 42,043 | 1975 | 42,124 | 1974 | 42,296 | 1973 | 42,509 | 1972 | 42,713 | 1971 | 42,814 | 1970 | 42,698 | 1969 | 41,914 | 1968 | 40,835 | 1967 | 39,793 | 1966 | 38,786 | 1965 | 37,808 | 1964 | 36,835 | 1963 | 35,928 | 1962 | 35,102 | 1961 | 34,287 | 1960 | 33,396 |
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