Year | Value | 2022 | 79,531 | 2021 | 76,460 | 2020 | 73,382 | 2019 | 70,290 | 2018 | 67,331 | 2017 | 64,564 | 2016 | 61,997 | 2015 | 59,530 | 2014 | 57,144 | 2013 | 54,897 | 2012 | 52,884 | 2011 | 51,254 | 2010 | 50,079 | 2009 | 49,453 | 2008 | 49,274 | 2007 | 49,534 | 2006 | 50,002 | 2005 | 50,666 | 2004 | 51,708 | 2003 | 52,781 | 2002 | 53,726 | 2001 | 54,469 | 2000 | 54,871 | 1999 | 54,818 | 1998 | 54,323 | 1997 | 53,414 | 1996 | 52,242 | 1995 | 50,840 | 1994 | 49,201 | 1993 | 47,403 | 1992 | 45,502 | 1991 | 43,567 | 1990 | 41,650 | 1989 | 40,678 | 1988 | 40,462 | 1987 | 39,892 | 1986 | 38,854 | 1985 | 37,806 | 1984 | 36,288 | 1983 | 34,383 | 1982 | 33,194 | 1981 | 32,560 | 1980 | 32,277 | 1979 | 32,257 | 1978 | 32,364 | 1977 | 32,490 | 1976 | 32,407 | 1975 | 32,051 | 1974 | 31,593 | 1973 | 31,104 | 1972 | 30,607 | 1971 | 30,086 | 1970 | 29,502 | 1969 | 28,816 | 1968 | 28,031 | 1967 | 27,194 | 1966 | 26,343 | 1965 | 25,483 | 1964 | 24,614 | 1963 | 23,755 | 1962 | 22,922 | 1961 | 22,143 | 1960 | 21,436 |
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