Year | Value | 2022 | 37,703 | 2021 | 36,626 | 2020 | 35,538 | 2019 | 34,374 | 2018 | 33,215 | 2017 | 32,026 | 2016 | 30,819 | 2015 | 29,596 | 2014 | 28,517 | 2013 | 27,641 | 2012 | 26,841 | 2011 | 26,153 | 2010 | 25,590 | 2009 | 24,876 | 2008 | 24,014 | 2007 | 23,193 | 2006 | 22,445 | 2005 | 21,833 | 2004 | 21,366 | 2003 | 20,982 | 2002 | 20,612 | 2001 | 20,239 | 2000 | 19,833 | 1999 | 19,308 | 1998 | 18,718 | 1997 | 18,182 | 1996 | 17,779 | 1995 | 17,531 | 1994 | 17,324 | 1993 | 17,091 | 1992 | 16,870 | 1991 | 16,682 | 1990 | 16,470 | 1989 | 16,205 | 1988 | 15,912 | 1987 | 15,627 | 1986 | 15,330 | 1985 | 14,996 | 1984 | 14,665 | 1983 | 14,340 | 1982 | 14,006 | 1981 | 13,663 | 1980 | 13,331 | 1979 | 12,942 | 1978 | 12,530 | 1977 | 12,177 | 1976 | 11,866 | 1975 | 11,552 | 1974 | 11,209 | 1973 | 10,842 | 1972 | 10,482 | 1971 | 10,142 | 1970 | 9,822 | 1969 | 9,533 | 1968 | 9,292 | 1967 | 9,081 | 1966 | 8,882 | 1965 | 8,713 | 1964 | 8,574 | 1963 | 8,440 | 1962 | 8,312 | 1961 | 8,188 | 1960 | 8,071 |
|