Year | Value | 2022 | 47,618 | 2021 | 47,087 | 2020 | 46,459 | 2019 | 45,709 | 2018 | 44,851 | 2017 | 43,947 | 2016 | 43,023 | 2015 | 42,073 | 2014 | 41,145 | 2013 | 40,308 | 2012 | 39,582 | 2011 | 38,967 | 2010 | 38,459 | 2009 | 38,015 | 2008 | 37,540 | 2007 | 37,054 | 2006 | 36,505 | 2005 | 36,118 | 2004 | 35,997 | 2003 | 35,844 | 2002 | 35,104 | 2001 | 33,672 | 2000 | 32,160 | 1999 | 30,634 | 1998 | 28,874 | 1997 | 26,829 | 1996 | 25,178 | 1995 | 24,249 | 1994 | 23,754 | 1993 | 23,054 | 1992 | 23,255 | 1991 | 23,231 | 1990 | 21,163 | 1989 | 18,967 | 1988 | 17,434 | 1987 | 16,238 | 1986 | 15,137 | 1985 | 14,210 | 1984 | 13,468 | 1983 | 12,884 | 1982 | 12,385 | 1981 | 11,881 | 1980 | 11,342 | 1979 | 10,781 | 1978 | 10,170 | 1977 | 9,495 | 1976 | 8,819 | 1975 | 8,187 | 1974 | 7,576 | 1973 | 6,991 | 1972 | 6,474 | 1971 | 6,014 | 1970 | 5,604 | 1969 | 5,235 | 1968 | 4,926 | 1967 | 4,673 | 1966 | 4,428 | 1965 | 4,190 | 1964 | 3,966 | 1963 | 3,760 | 1962 | 3,578 | 1961 | 3,425 | 1960 | 3,294 |
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