Year | Value | 2022 | 1,411 | 2021 | 1,365 | 2020 | 1,320 | 2019 | 1,276 | 2018 | 1,239 | 2017 | 1,200 | 2016 | 1,162 | 2015 | 1,142 | 2014 | 1,135 | 2013 | 1,140 | 2012 | 1,155 | 2011 | 1,171 | 2010 | 1,179 | 2009 | 1,179 | 2008 | 1,174 | 2007 | 1,169 | 2006 | 1,164 | 2005 | 1,163 | 2004 | 1,162 | 2003 | 1,159 | 2002 | 1,157 | 2001 | 1,159 | 2000 | 1,165 | 1999 | 1,173 | 1998 | 1,184 | 1997 | 1,191 | 1996 | 1,186 | 1995 | 1,167 | 1994 | 1,144 | 1993 | 1,121 | 1992 | 1,094 | 1991 | 1,072 | 1990 | 1,063 | 1989 | 1,061 | 1988 | 1,059 | 1987 | 1,062 | 1986 | 1,069 | 1985 | 1,073 | 1984 | 1,076 | 1983 | 1,072 | 1982 | 1,065 | 1981 | 1,058 | 1980 | 1,047 | 1979 | 1,032 | 1978 | 1,017 | 1977 | 1,001 | 1976 | 982 | 1975 | 963 | 1974 | 942 | 1973 | 922 | 1972 | 900 | 1971 | 876 | 1970 | 846 | 1969 | 811 | 1968 | 767 | 1967 | 720 | 1966 | 675 | 1965 | 635 | 1964 | 610 | 1963 | 597 | 1962 | 592 | 1961 | 592 | 1960 | 598 |
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