Year | Value | 2022 | 70,823 | 2021 | 70,133 | 2020 | 69,045 | 2019 | 67,367 | 2018 | 65,218 | 2017 | 63,104 | 2016 | 60,999 | 2015 | 57,267 | 2014 | 53,305 | 2013 | 51,481 | 2012 | 50,739 | 2011 | 50,323 | 2010 | 51,602 | 2009 | 53,377 | 2008 | 53,119 | 2007 | 52,391 | 2006 | 51,880 | 2005 | 51,918 | 2004 | 52,175 | 2003 | 52,887 | 2002 | 53,858 | 2001 | 54,593 | 2000 | 55,254 | 1999 | 55,518 | 1998 | 55,320 | 1997 | 55,075 | 1996 | 54,644 | 1995 | 54,048 | 1994 | 53,447 | 1993 | 53,115 | 1992 | 52,783 | 1991 | 52,068 | 1990 | 50,556 | 1989 | 48,159 | 1988 | 44,193 | 1987 | 38,750 | 1986 | 33,197 | 1985 | 29,264 | 1984 | 28,566 | 1983 | 31,067 | 1982 | 35,390 | 1981 | 40,035 | 1980 | 43,787 | 1979 | 45,384 | 1978 | 45,307 | 1977 | 44,713 | 1976 | 44,074 | 1975 | 43,272 | 1974 | 42,342 | 1973 | 41,612 | 1972 | 41,022 | 1971 | 40,729 | 1970 | 40,687 | 1969 | 40,503 | 1968 | 39,900 | 1967 | 38,883 | 1966 | 37,316 | 1965 | 35,293 | 1964 | 33,457 | 1963 | 31,971 | 1962 | 30,640 | 1961 | 29,403 | 1960 | 28,176 |
|