Year | Value | 2022 | 2,446 | 2021 | 2,289 | 2020 | 2,135 | 2019 | 1,991 | 2018 | 1,863 | 2017 | 1,746 | 2016 | 1,642 | 2015 | 1,564 | 2014 | 1,511 | 2013 | 1,470 | 2012 | 1,446 | 2011 | 1,440 | 2010 | 1,446 | 2009 | 1,439 | 2008 | 1,413 | 2007 | 1,381 | 2006 | 1,343 | 2005 | 1,300 | 2004 | 1,256 | 2003 | 1,218 | 2002 | 1,186 | 2001 | 1,164 | 2000 | 1,148 | 1999 | 1,145 | 1998 | 1,150 | 1997 | 1,151 | 1996 | 1,144 | 1995 | 1,130 | 1994 | 1,108 | 1993 | 1,083 | 1992 | 1,059 | 1991 | 1,038 | 1990 | 1,019 | 1989 | 990 | 1988 | 948 | 1987 | 906 | 1986 | 865 | 1985 | 825 | 1984 | 787 | 1983 | 750 | 1982 | 715 | 1981 | 680 | 1980 | 647 | 1979 | 595 | 1978 | 535 | 1977 | 499 | 1976 | 473 | 1975 | 452 | 1974 | 435 | 1973 | 423 | 1972 | 411 | 1971 | 396 | 1970 | 379 | 1969 | 361 | 1968 | 342 | 1967 | 325 | 1966 | 316 | 1965 | 313 | 1964 | 316 | 1963 | 321 | 1962 | 326 | 1961 | 332 | 1960 | 338 |
|