Year | Value | 2022 | 1,610 | 2021 | 1,565 | 2020 | 1,527 | 2019 | 1,470 | 2018 | 1,382 | 2017 | 1,287 | 2016 | 1,197 | 2015 | 1,119 | 2014 | 1,059 | 2013 | 1,019 | 2012 | 998 | 2011 | 1,002 | 2010 | 1,022 | 2009 | 1,049 | 2008 | 1,081 | 2007 | 1,107 | 2006 | 1,127 | 2005 | 1,142 | 2004 | 1,149 | 2003 | 1,146 | 2002 | 1,137 | 2001 | 1,134 | 2000 | 1,143 | 1999 | 1,152 | 1998 | 1,160 | 1997 | 1,163 | 1996 | 1,161 | 1995 | 1,153 | 1994 | 1,139 | 1993 | 1,121 | 1992 | 1,098 | 1991 | 1,070 | 1990 | 1,044 | 1989 | 1,021 | 1988 | 997 | 1987 | 973 | 1986 | 950 | 1985 | 926 | 1984 | 901 | 1983 | 879 | 1982 | 859 | 1981 | 835 | 1980 | 807 | 1979 | 785 | 1978 | 770 | 1977 | 756 | 1976 | 744 | 1975 | 730 | 1974 | 713 | 1973 | 698 | 1972 | 683 | 1971 | 668 | 1970 | 655 | 1969 | 644 | 1968 | 629 | 1967 | 618 | 1966 | 608 | 1965 | 597 | 1964 | 581 | 1963 | 562 | 1962 | 539 | 1961 | 512 | 1960 | 493 |
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