Year | Value | 2022 | 1,576 | 2021 | 1,507 | 2020 | 1,461 | 2019 | 1,402 | 2018 | 1,320 | 2017 | 1,240 | 2016 | 1,161 | 2015 | 1,090 | 2014 | 1,025 | 2013 | 968 | 2012 | 921 | 2011 | 877 | 2010 | 831 | 2009 | 804 | 2008 | 785 | 2007 | 747 | 2006 | 696 | 2005 | 634 | 2004 | 571 | 2003 | 515 | 2002 | 463 | 2001 | 418 | 2000 | 379 | 1999 | 355 | 1998 | 345 | 1997 | 337 | 1996 | 329 | 1995 | 315 | 1994 | 301 | 1993 | 285 | 1992 | 270 | 1991 | 253 | 1990 | 232 | 1989 | 207 | 1988 | 182 | 1987 | 164 | 1986 | 149 | 1985 | 137 | 1984 | 127 | 1983 | 116 | 1982 | 106 | 1981 | 99 | 1980 | 91 | 1979 | 82 | 1978 | 73 | 1977 | 66 | 1976 | 60 | 1975 | 58 | 1974 | 61 | 1973 | 63 | 1972 | 65 | 1971 | 67 | 1970 | 68 | 1969 | 60 | 1968 | 47 | 1967 | 37 | 1966 | 28 | 1965 | 20 | 1964 | 13 | 1963 | 10 | 1962 | 10 | 1961 | 10 | 1960 | 8 |
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