Year | Value | 2022 | 61,781 | 2021 | 60,817 | 2020 | 60,129 | 2019 | 59,832 | 2018 | 59,922 | 2017 | 60,113 | 2016 | 60,469 | 2015 | 60,974 | 2014 | 62,174 | 2013 | 64,294 | 2012 | 66,750 | 2011 | 69,118 | 2010 | 71,229 | 2009 | 72,734 | 2008 | 73,428 | 2007 | 73,307 | 2006 | 72,716 | 2005 | 72,142 | 2004 | 71,371 | 2003 | 70,362 | 2002 | 69,177 | 2001 | 67,770 | 2000 | 66,109 | 1999 | 64,131 | 1998 | 61,988 | 1997 | 59,552 | 1996 | 56,954 | 1995 | 54,486 | 1994 | 53,726 | 1993 | 53,472 | 1992 | 51,709 | 1991 | 49,617 | 1990 | 47,559 | 1989 | 46,072 | 1988 | 44,459 | 1987 | 42,529 | 1986 | 40,997 | 1985 | 39,633 | 1984 | 38,331 | 1983 | 37,041 | 1982 | 35,833 | 1981 | 34,555 | 1980 | 33,300 | 1979 | 32,183 | 1978 | 31,102 | 1977 | 30,074 | 1976 | 29,209 | 1975 | 28,490 | 1974 | 27,828 | 1973 | 27,222 | 1972 | 26,665 | 1971 | 26,152 | 1970 | 25,662 | 1969 | 25,132 | 1968 | 24,392 | 1967 | 23,465 | 1966 | 22,480 | 1965 | 21,431 | 1964 | 20,379 | 1963 | 19,503 | 1962 | 18,777 | 1961 | 18,093 | 1960 | 17,488 |
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