Year | Value | 2022 | 72,440 | 2021 | 74,004 | 2020 | 75,940 | 2019 | 76,549 | 2018 | 75,722 | 2017 | 74,237 | 2016 | 72,257 | 2015 | 70,177 | 2014 | 68,195 | 2013 | 66,383 | 2012 | 64,806 | 2011 | 63,477 | 2010 | 62,372 | 2009 | 61,465 | 2008 | 60,757 | 2007 | 60,229 | 2006 | 59,788 | 2005 | 59,392 | 2004 | 59,070 | 2003 | 58,855 | 2002 | 58,662 | 2001 | 58,376 | 2000 | 57,211 | 1999 | 55,066 | 1998 | 52,512 | 1997 | 49,590 | 1996 | 46,529 | 1995 | 43,452 | 1994 | 40,315 | 1993 | 37,113 | 1992 | 34,963 | 1991 | 33,959 | 1990 | 33,114 | 1989 | 32,457 | 1988 | 32,039 | 1987 | 31,773 | 1986 | 31,478 | 1985 | 31,057 | 1984 | 30,516 | 1983 | 29,835 | 1982 | 29,035 | 1981 | 28,222 | 1980 | 27,471 | 1979 | 26,762 | 1978 | 26,082 | 1977 | 25,455 | 1976 | 24,871 | 1975 | 24,326 | 1974 | 23,822 | 1973 | 23,362 | 1972 | 22,968 | 1971 | 22,681 | 1970 | 22,533 | 1969 | 22,524 | 1968 | 22,664 | 1967 | 22,933 | 1966 | 23,240 | 1965 | 23,526 | 1964 | 23,801 | 1963 | 24,068 | 1962 | 24,303 | 1961 | 24,498 | 1960 | 24,648 |
|