Year | Value | 2022 | 152,088 | 2021 | 148,603 | 2020 | 145,122 | 2019 | 143,463 | 2018 | 141,301 | 2017 | 138,802 | 2016 | 136,357 | 2015 | 134,512 | 2014 | 133,819 | 2013 | 134,584 | 2012 | 136,472 | 2011 | 139,502 | 2010 | 142,819 | 2009 | 144,427 | 2008 | 143,683 | 2007 | 141,017 | 2006 | 136,027 | 2005 | 129,307 | 2004 | 122,230 | 2003 | 115,347 | 2002 | 109,217 | 2001 | 103,992 | 2000 | 99,422 | 1999 | 94,746 | 1998 | 89,453 | 1997 | 83,938 | 1996 | 77,607 | 1995 | 69,113 | 1994 | 59,494 | 1993 | 52,727 | 1992 | 50,150 | 1991 | 51,263 | 1990 | 57,357 | 1989 | 67,273 | 1988 | 77,822 | 1987 | 86,746 | 1986 | 92,124 | 1985 | 94,734 | 1984 | 96,155 | 1983 | 94,480 | 1982 | 89,947 | 1981 | 86,063 | 1980 | 84,168 | 1979 | 83,810 | 1978 | 85,024 | 1977 | 87,221 | 1976 | 87,804 | 1975 | 85,445 | 1974 | 80,701 | 1973 | 73,791 | 1972 | 65,323 | 1971 | 57,151 | 1970 | 50,640 | 1969 | 45,295 | 1968 | 40,713 | 1967 | 37,359 | 1966 | 35,129 | 1965 | 33,823 | 1964 | 33,711 | 1963 | 34,917 | 1962 | 36,907 | 1961 | 38,730 | 1960 | 39,657 |
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