Year | Value | 2022 | 54,066 | 2021 | 51,627 | 2020 | 49,256 | 2019 | 47,991 | 2018 | 47,400 | 2017 | 46,440 | 2016 | 45,536 | 2015 | 44,683 | 2014 | 43,919 | 2013 | 43,203 | 2012 | 42,639 | 2011 | 42,197 | 2010 | 41,813 | 2009 | 41,476 | 2008 | 41,099 | 2007 | 40,724 | 2006 | 40,392 | 2005 | 40,063 | 2004 | 39,622 | 2003 | 39,039 | 2002 | 38,534 | 2001 | 38,146 | 2000 | 37,807 | 1999 | 37,487 | 1998 | 37,191 | 1997 | 36,904 | 1996 | 36,559 | 1995 | 35,992 | 1994 | 35,375 | 1993 | 35,002 | 1992 | 34,547 | 1991 | 33,787 | 1990 | 33,094 | 1989 | 32,519 | 1988 | 31,888 | 1987 | 31,253 | 1986 | 30,590 | 1985 | 30,001 | 1984 | 29,655 | 1983 | 29,304 | 1982 | 28,582 | 1981 | 27,881 | 1980 | 27,616 | 1979 | 27,317 | 1978 | 26,775 | 1977 | 26,234 | 1976 | 25,749 | 1975 | 25,396 | 1974 | 25,171 | 1973 | 25,059 | 1972 | 24,993 | 1971 | 24,846 | 1970 | 24,497 | 1969 | 23,912 | 1968 | 23,098 | 1967 | 22,132 | 1966 | 21,243 | 1965 | 20,618 | 1964 | 20,243 | 1963 | 20,104 | 1962 | 20,185 | 1961 | 20,294 | 1960 | 20,282 |
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