Year | Value | 2022 | 52,679 | 2021 | 51,346 | 2020 | 50,099 | 2019 | 48,695 | 2018 | 47,185 | 2017 | 45,540 | 2016 | 43,860 | 2015 | 42,292 | 2014 | 40,877 | 2013 | 39,603 | 2012 | 38,444 | 2011 | 37,268 | 2010 | 35,929 | 2009 | 34,483 | 2008 | 33,019 | 2007 | 31,573 | 2006 | 30,209 | 2005 | 28,960 | 2004 | 27,783 | 2003 | 26,391 | 2002 | 24,814 | 2001 | 23,392 | 2000 | 22,119 | 1999 | 20,955 | 1998 | 20,223 | 1997 | 19,888 | 1996 | 19,594 | 1995 | 19,325 | 1994 | 19,096 | 1993 | 18,906 | 1992 | 18,729 | 1991 | 18,534 | 1990 | 18,267 | 1989 | 17,906 | 1988 | 17,476 | 1987 | 16,981 | 1986 | 16,430 | 1985 | 15,840 | 1984 | 15,211 | 1983 | 14,525 | 1982 | 13,836 | 1981 | 13,238 | 1980 | 12,773 | 1979 | 12,439 | 1978 | 12,261 | 1977 | 12,177 | 1976 | 12,018 | 1975 | 11,677 | 1974 | 11,178 | 1973 | 10,535 | 1972 | 9,800 | 1971 | 9,147 | 1970 | 8,658 | 1969 | 8,259 | 1968 | 7,888 | 1967 | 7,570 | 1966 | 7,324 | 1965 | 7,157 | 1964 | 7,044 | 1963 | 6,997 | 1962 | 7,040 | 1961 | 7,143 | 1960 | 7,286 |
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