Year | Value | 2022 | 50,200 | 2021 | 49,296 | 2020 | 48,237 | 2019 | 46,814 | 2018 | 45,315 | 2017 | 43,849 | 2016 | 42,380 | 2015 | 40,913 | 2014 | 39,672 | 2013 | 38,140 | 2012 | 36,142 | 2011 | 34,193 | 2010 | 32,187 | 2009 | 30,187 | 2008 | 28,693 | 2007 | 27,633 | 2006 | 26,609 | 2005 | 25,590 | 2004 | 24,599 | 2003 | 23,730 | 2002 | 22,908 | 2001 | 22,197 | 2000 | 21,579 | 1999 | 20,964 | 1998 | 20,401 | 1997 | 19,893 | 1996 | 19,445 | 1995 | 19,063 | 1994 | 18,669 | 1993 | 18,215 | 1992 | 17,750 | 1991 | 17,291 | 1990 | 16,874 | 1989 | 16,522 | 1988 | 16,695 | 1987 | 17,591 | 1986 | 18,671 | 1985 | 19,643 | 1984 | 20,488 | 1983 | 21,212 | 1982 | 21,880 | 1981 | 22,591 | 1980 | 23,391 | 1979 | 24,265 | 1978 | 25,207 | 1977 | 26,158 | 1976 | 27,004 | 1975 | 27,232 | 1974 | 26,925 | 1973 | 26,601 | 1972 | 26,251 | 1971 | 25,890 | 1970 | 25,529 | 1969 | 25,152 | 1968 | 24,755 | 1967 | 24,366 | 1966 | 24,021 | 1965 | 23,744 | 1964 | 23,536 | 1963 | 23,410 | 1962 | 23,329 | 1961 | 23,192 | 1960 | 22,936 |
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