Year | Value | 2022 | 63,113 | 2021 | 52,299 | 2020 | 51,864 | 2019 | 51,368 | 2018 | 50,828 | 2017 | 50,266 | 2016 | 49,579 | 2015 | 48,844 | 2014 | 47,687 | 2013 | 46,847 | 2012 | 45,851 | 2011 | 45,246 | 2010 | 46,283 | 2009 | 44,861 | 2008 | 44,554 | 2007 | 43,445 | 2006 | 43,110 | 2005 | 42,114 | 2004 | 41,811 | 2003 | 41,848 | 2002 | 42,238 | 2001 | 40,908 | 2000 | 40,792 | 1999 | 40,348 | 1998 | 39,504 | 1997 | 38,592 | 1996 | 38,070 | 1995 | 37,627 | 1994 | 37,170 | 1993 | 36,218 | 1992 | 35,454 | 1991 | 35,264 | 1990 | 34,757 | 1989 | 34,547 | 1988 | 34,286 | 1987 | 34,145 | 1986 | 32,767 | 1985 | 32,603 | 1984 | 32,379 | 1983 | 32,226 | 1982 | 32,302 | 1981 | 32,150 | 1980 | 31,795 | 1979 | 31,532 | 1978 | 31,285 | 1977 | 31,156 | 1976 | 30,559 | 1975 | 29,957 | 1974 | 29,279 | 1973 | 28,756 | 1972 | 28,297 | 1971 | 27,577 | 1970 | 26,992 | 1969 | 26,340 | 1968 | 25,688 | 1967 | 25,039 | 1966 | 24,395 | 1965 | 23,758 | 1964 | 23,135 | 1963 | 22,529 | 1962 | 21,924 | 1961 | 21,312 | 1960 | 20,678 |
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