Year | Value | 2022 | 84,031 | 2021 | 77,501 | 2020 | 71,340 | 2019 | 66,435 | 2018 | 62,606 | 2017 | 59,808 | 2016 | 58,972 | 2015 | 59,157 | 2014 | 58,768 | 2013 | 58,042 | 2012 | 57,261 | 2011 | 55,645 | 2010 | 53,520 | 2009 | 51,803 | 2008 | 50,702 | 2007 | 50,354 | 2006 | 50,898 | 2005 | 51,811 | 2004 | 52,342 | 2003 | 52,448 | 2002 | 52,361 | 2001 | 52,186 | 2000 | 52,156 | 1999 | 52,331 | 1998 | 52,085 | 1997 | 50,784 | 1996 | 49,497 | 1995 | 48,506 | 1994 | 47,683 | 1993 | 47,425 | 1992 | 47,868 | 1991 | 48,443 | 1990 | 48,587 | 1989 | 47,941 | 1988 | 46,718 | 1987 | 45,246 | 1986 | 43,541 | 1985 | 42,271 | 1984 | 41,303 | 1983 | 40,491 | 1982 | 39,701 | 1981 | 39,093 | 1980 | 39,678 | 1979 | 40,463 | 1978 | 40,378 | 1977 | 40,479 | 1976 | 40,670 | 1975 | 39,332 | 1974 | 37,387 | 1973 | 36,380 | 1972 | 35,522 | 1971 | 34,523 | 1970 | 33,777 | 1969 | 33,814 | 1968 | 34,264 | 1967 | 34,443 | 1966 | 34,363 | 1965 | 34,221 | 1964 | 33,996 | 1963 | 33,624 | 1962 | 33,302 | 1961 | 33,374 | 1960 | 33,909 |
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