Year | Value | 2022 | 1,304 | 2021 | 1,264 | 2020 | 1,237 | 2019 | 1,209 | 2018 | 1,176 | 2017 | 1,151 | 2016 | 1,131 | 2015 | 1,113 | 2014 | 1,092 | 2013 | 1,062 | 2012 | 1,032 | 2011 | 999 | 2010 | 967 | 2009 | 923 | 2008 | 869 | 2007 | 824 | 2006 | 789 | 2005 | 765 | 2004 | 735 | 2003 | 696 | 2002 | 662 | 2001 | 635 | 2000 | 615 | 1999 | 594 | 1998 | 567 | 1997 | 534 | 1996 | 505 | 1995 | 485 | 1994 | 453 | 1993 | 404 | 1992 | 349 | 1991 | 281 | 1990 | 239 | 1989 | 222 | 1988 | 218 | 1987 | 217 | 1986 | 216 | 1985 | 219 | 1984 | 225 | 1983 | 233 | 1982 | 234 | 1981 | 228 | 1980 | 228 | 1979 | 215 | 1978 | 200 | 1977 | 188 | 1976 | 194 | 1975 | 194 | 1974 | 189 | 1973 | 180 | 1972 | 169 | 1971 | 163 | 1970 | 155 | 1969 | 166 | 1968 | 176 | 1967 | 175 | 1966 | 185 | 1965 | 196 | 1964 | 209 | 1963 | 234 | 1962 | 240 | 1961 | 277 | 1960 | 218 |
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