Year | Value | 2022 | 140,308 | 2021 | 138,225 | 2020 | 135,348 | 2019 | 135,223 | 2018 | 137,961 | 2017 | 140,353 | 2016 | 142,353 | 2015 | 143,811 | 2014 | 138,668 | 2013 | 123,043 | 2012 | 109,908 | 2011 | 104,933 | 2010 | 101,888 | 2009 | 97,556 | 2008 | 91,221 | 2007 | 84,089 | 2006 | 76,275 | 2005 | 68,492 | 2004 | 62,378 | 2003 | 58,148 | 2002 | 54,979 | 2001 | 52,721 | 2000 | 51,006 | 1999 | 49,874 | 1998 | 49,290 | 1997 | 49,121 | 1996 | 49,134 | 1995 | 49,201 | 1994 | 49,333 | 1993 | 49,454 | 1992 | 49,421 | 1991 | 49,257 | 1990 | 49,213 | 1989 | 49,219 | 1988 | 49,056 | 1987 | 48,711 | 1986 | 47,877 | 1985 | 46,784 | 1984 | 45,680 | 1983 | 44,413 | 1982 | 43,331 | 1981 | 41,855 | 1980 | 39,628 | 1979 | 37,160 | 1978 | 38,094 | 1977 | 38,938 | 1976 | 33,684 | 1975 | 29,810 | 1974 | 30,187 | 1973 | 31,625 | 1972 | 33,806 | 1971 | 35,648 | 1970 | 36,589 | 1969 | 36,708 | 1968 | 35,979 | 1967 | 34,615 | 1966 | 33,171 | 1965 | 32,004 | 1964 | 31,065 | 1963 | 30,186 | 1962 | 29,424 | 1961 | 28,660 | 1960 | 27,871 |
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