Year | Value | 2022 | 2,623 | 2021 | 2,516 | 2020 | 2,409 | 2019 | 2,269 | 2018 | 2,147 | 2017 | 2,037 | 2016 | 1,930 | 2015 | 1,836 | 2014 | 1,745 | 2013 | 1,640 | 2012 | 1,544 | 2011 | 1,452 | 2010 | 1,359 | 2009 | 1,264 | 2008 | 1,166 | 2007 | 1,073 | 2006 | 989 | 2005 | 925 | 2004 | 874 | 2003 | 822 | 2002 | 776 | 2001 | 734 | 2000 | 698 | 1999 | 668 | 1998 | 643 | 1997 | 623 | 1996 | 601 | 1995 | 573 | 1994 | 539 | 1993 | 504 | 1992 | 470 | 1991 | 436 | 1990 | 402 | 1989 | 366 | 1988 | 330 | 1987 | 305 | 1986 | 288 | 1985 | 270 | 1984 | 250 | 1983 | 236 | 1982 | 230 | 1981 | 229 | 1980 | 232 | 1979 | 236 | 1978 | 240 | 1977 | 241 | 1976 | 234 | 1975 | 226 | 1974 | 216 | 1973 | 202 | 1972 | 188 | 1971 | 174 | 1970 | 162 | 1969 | 164 | 1968 | 175 | 1967 | 181 | 1966 | 182 | 1965 | 181 | 1964 | 182 | 1963 | 182 | 1962 | 180 | 1961 | 182 | 1960 | 184 |
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