Year | Value | 2022 | 63,267 | 2021 | 63,834 | 2020 | 64,302 | 2019 | 64,215 | 2018 | 63,302 | 2017 | 61,939 | 2016 | 60,055 | 2015 | 57,591 | 2014 | 54,549 | 2013 | 51,035 | 2012 | 47,268 | 2011 | 43,482 | 2010 | 39,891 | 2009 | 36,700 | 2008 | 34,025 | 2007 | 31,830 | 2006 | 30,025 | 2005 | 28,567 | 2004 | 27,404 | 2003 | 26,455 | 2002 | 25,639 | 2001 | 24,916 | 2000 | 24,277 | 1999 | 23,679 | 1998 | 23,130 | 1997 | 22,658 | 1996 | 22,241 | 1995 | 21,864 | 1994 | 21,499 | 1993 | 21,058 | 1992 | 20,540 | 1991 | 20,002 | 1990 | 19,437 | 1989 | 18,838 | 1988 | 18,199 | 1987 | 17,493 | 1986 | 16,664 | 1985 | 15,645 | 1984 | 14,430 | 1983 | 13,074 | 1982 | 12,038 | 1981 | 11,425 | 1980 | 10,963 | 1979 | 10,735 | 1978 | 10,589 | 1977 | 10,419 | 1976 | 10,373 | 1975 | 10,398 | 1974 | 10,379 | 1973 | 10,493 | 1972 | 10,759 | 1971 | 10,981 | 1970 | 11,127 | 1969 | 11,172 | 1968 | 11,044 | 1967 | 10,808 | 1966 | 10,594 | 1965 | 10,409 | 1964 | 10,250 | 1963 | 10,119 | 1962 | 10,011 | 1961 | 9,912 | 1960 | 9,810 |
|