Year | Value | 2022 | 60,681 | 2021 | 62,550 | 2020 | 63,953 | 2019 | 65,161 | 2018 | 67,032 | 2017 | 67,816 | 2016 | 67,191 | 2015 | 66,721 | 2014 | 66,318 | 2013 | 65,445 | 2012 | 65,130 | 2011 | 65,923 | 2010 | 67,665 | 2009 | 69,988 | 2008 | 72,199 | 2007 | 74,071 | 2006 | 75,958 | 2005 | 77,696 | 2004 | 78,993 | 2003 | 79,884 | 2002 | 80,286 | 2001 | 80,601 | 2000 | 81,049 | 1999 | 81,922 | 1998 | 83,795 | 1997 | 86,564 | 1996 | 89,838 | 1995 | 93,416 | 1994 | 96,722 | 1993 | 99,370 | 1992 | 101,778 | 1991 | 102,922 | 1990 | 102,782 | 1989 | 102,472 | 1988 | 101,023 | 1987 | 98,779 | 1986 | 96,987 | 1985 | 95,349 | 1984 | 93,995 | 1983 | 93,488 | 1982 | 92,761 | 1981 | 90,848 | 1980 | 88,196 | 1979 | 85,212 | 1978 | 82,801 | 1977 | 82,311 | 1976 | 84,290 | 1975 | 88,026 | 1974 | 92,376 | 1973 | 96,371 | 1972 | 99,117 | 1971 | 100,105 | 1970 | 99,462 | 1969 | 97,499 | 1968 | 94,771 | 1967 | 92,352 | 1966 | 91,179 | 1965 | 91,391 | 1964 | 92,543 | 1963 | 94,374 | 1962 | 96,594 | 1961 | 98,590 | 1960 | 99,543 |
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