Year | Value | 2022 | 2,417 | 2021 | 2,281 | 2020 | 2,145 | 2019 | 2,031 | 2018 | 1,945 | 2017 | 1,868 | 2016 | 1,795 | 2015 | 1,718 | 2014 | 1,625 | 2013 | 1,522 | 2012 | 1,429 | 2011 | 1,355 | 2010 | 1,303 | 2009 | 1,270 | 2008 | 1,259 | 2007 | 1,267 | 2006 | 1,288 | 2005 | 1,320 | 2004 | 1,355 | 2003 | 1,386 | 2002 | 1,402 | 2001 | 1,417 | 2000 | 1,436 | 1999 | 1,443 | 1998 | 1,439 | 1997 | 1,435 | 1996 | 1,435 | 1995 | 1,433 | 1994 | 1,428 | 1993 | 1,422 | 1992 | 1,412 | 1991 | 1,393 | 1990 | 1,373 | 1989 | 1,353 | 1988 | 1,327 | 1987 | 1,302 | 1986 | 1,278 | 1985 | 1,253 | 1984 | 1,231 | 1983 | 1,215 | 1982 | 1,201 | 1981 | 1,171 | 1980 | 1,132 | 1979 | 1,102 | 1978 | 1,075 | 1977 | 1,051 | 1976 | 1,032 | 1975 | 1,015 | 1974 | 999 | 1973 | 981 | 1972 | 960 | 1971 | 942 | 1970 | 926 | 1969 | 905 | 1968 | 877 | 1967 | 849 | 1966 | 822 | 1965 | 802 | 1964 | 792 | 1963 | 788 | 1962 | 789 | 1961 | 793 | 1960 | 794 |
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