Year | Value | 2022 | 77,007 | 2021 | 70,926 | 2020 | 65,298 | 2019 | 60,668 | 2018 | 56,986 | 2017 | 54,181 | 2016 | 52,788 | 2015 | 52,092 | 2014 | 50,895 | 2013 | 49,320 | 2012 | 47,875 | 2011 | 46,251 | 2010 | 44,684 | 2009 | 43,350 | 2008 | 42,028 | 2007 | 40,788 | 2006 | 39,749 | 2005 | 38,734 | 2004 | 37,721 | 2003 | 37,042 | 2002 | 36,772 | 2001 | 36,776 | 2000 | 36,961 | 1999 | 37,265 | 1998 | 37,242 | 1997 | 36,562 | 1996 | 35,682 | 1995 | 34,951 | 1994 | 34,318 | 1993 | 34,053 | 1992 | 34,575 | 1991 | 35,358 | 1990 | 35,916 | 1989 | 36,121 | 1988 | 35,963 | 1987 | 35,214 | 1986 | 33,666 | 1985 | 32,041 | 1984 | 30,759 | 1983 | 29,892 | 1982 | 29,321 | 1981 | 28,927 | 1980 | 29,182 | 1979 | 29,709 | 1978 | 29,890 | 1977 | 29,952 | 1976 | 29,960 | 1975 | 29,123 | 1974 | 28,148 | 1973 | 27,948 | 1972 | 27,978 | 1971 | 27,927 | 1970 | 27,829 | 1969 | 28,047 | 1968 | 28,518 | 1967 | 28,843 | 1966 | 29,009 | 1965 | 29,089 | 1964 | 29,131 | 1963 | 29,243 | 1962 | 29,297 | 1961 | 29,532 | 1960 | 29,912 |
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