Year | Value | 2022 | 63,532 | 2021 | 63,764 | 2020 | 63,893 | 2019 | 63,911 | 2018 | 63,918 | 2017 | 63,873 | 2016 | 64,554 | 2015 | 65,237 | 2014 | 65,138 | 2013 | 65,001 | 2012 | 64,798 | 2011 | 64,564 | 2010 | 65,124 | 2009 | 65,636 | 2008 | 65,273 | 2007 | 64,888 | 2006 | 64,523 | 2005 | 64,154 | 2004 | 63,740 | 2003 | 63,325 | 2002 | 62,912 | 2001 | 62,504 | 2000 | 61,833 | 1999 | 61,285 | 1998 | 60,943 | 1997 | 60,497 | 1996 | 60,129 | 1995 | 59,746 | 1994 | 59,320 | 1993 | 58,910 | 1992 | 58,595 | 1991 | 59,021 | 1990 | 59,326 | 1989 | 58,841 | 1988 | 58,347 | 1987 | 57,849 | 1986 | 57,382 | 1985 | 56,898 | 1984 | 56,423 | 1983 | 55,930 | 1982 | 55,449 | 1981 | 55,050 | 1980 | 54,670 | 1979 | 53,800 | 1978 | 53,600 | 1977 | 53,400 | 1976 | 53,200 | 1975 | 53,000 | 1974 | 53,400 | 1973 | 53,800 | 1972 | 54,200 | 1971 | 54,600 | 1970 | 55,000 | 1969 | 54,000 | 1968 | 53,000 | 1967 | 52,000 | 1966 | 51,000 | 1965 | 50,100 | 1964 | 48,900 | 1963 | 47,700 | 1962 | 46,600 | 1961 | 45,500 | 1960 | 44,400 |
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