Year | Value | 2022 | 62,014 | 2021 | 61,867 | 2020 | 61,579 | 2019 | 60,845 | 2018 | 59,950 | 2017 | 58,931 | 2016 | 57,732 | 2015 | 56,411 | 2014 | 55,428 | 2013 | 54,554 | 2012 | 53,409 | 2011 | 52,160 | 2010 | 50,645 | 2009 | 48,835 | 2008 | 46,511 | 2007 | 43,857 | 2006 | 41,391 | 2005 | 38,989 | 2004 | 36,661 | 2003 | 34,958 | 2002 | 33,648 | 2001 | 32,369 | 2000 | 31,087 | 1999 | 29,706 | 1998 | 28,440 | 1997 | 27,292 | 1996 | 26,248 | 1995 | 25,353 | 1994 | 24,510 | 1993 | 23,641 | 1992 | 22,849 | 1991 | 22,168 | 1990 | 21,583 | 1989 | 21,026 | 1988 | 21,063 | 1987 | 22,029 | 1986 | 23,327 | 1985 | 24,627 | 1984 | 25,905 | 1983 | 27,136 | 1982 | 28,286 | 1981 | 29,327 | 1980 | 30,232 | 1979 | 30,983 | 1978 | 31,574 | 1977 | 32,068 | 1976 | 32,579 | 1975 | 32,591 | 1974 | 32,127 | 1973 | 31,805 | 1972 | 31,594 | 1971 | 31,387 | 1970 | 31,118 | 1969 | 30,800 | 1968 | 30,449 | 1967 | 30,071 | 1966 | 29,689 | 1965 | 29,320 | 1964 | 28,953 | 1963 | 28,565 | 1962 | 28,182 | 1961 | 27,849 | 1960 | 27,591 |
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