Year | Value | 2022 | 67,440 | 2021 | 64,777 | 2020 | 62,129 | 2019 | 59,569 | 2018 | 57,096 | 2017 | 54,713 | 2016 | 52,407 | 2015 | 50,128 | 2014 | 47,867 | 2013 | 45,637 | 2012 | 43,471 | 2011 | 41,452 | 2010 | 39,607 | 2009 | 37,927 | 2008 | 36,397 | 2007 | 34,995 | 2006 | 33,693 | 2005 | 32,481 | 2004 | 31,358 | 2003 | 30,293 | 2002 | 29,276 | 2001 | 28,324 | 2000 | 27,448 | 1999 | 26,656 | 1998 | 25,952 | 1997 | 25,320 | 1996 | 24,748 | 1995 | 24,224 | 1994 | 23,661 | 1993 | 23,020 | 1992 | 22,415 | 1991 | 21,852 | 1990 | 21,259 | 1989 | 20,709 | 1988 | 20,246 | 1987 | 19,774 | 1986 | 19,290 | 1985 | 18,873 | 1984 | 18,542 | 1983 | 18,307 | 1982 | 18,142 | 1981 | 17,998 | 1980 | 17,852 | 1979 | 17,703 | 1978 | 17,533 | 1977 | 17,346 | 1976 | 17,178 | 1975 | 17,035 | 1974 | 16,905 | 1973 | 16,780 | 1972 | 16,659 | 1971 | 16,539 | 1970 | 16,412 | 1969 | 16,274 | 1968 | 16,170 | 1967 | 16,107 | 1966 | 16,046 | 1965 | 15,984 | 1964 | 15,924 | 1963 | 15,867 | 1962 | 15,809 | 1961 | 15,752 | 1960 | 15,694 |
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