Year | Value | 2022 | 187.84610635939 | 2021 | 173.43942752905 | 2020 | 164.07663984923 | 2019 | 155.32537351703 | 2018 | 145.54466255643 | 2017 | 135.63314595813 | 2016 | 128.79558368025 | 2015 | 124.28479220999 | 2014 | 119.00413682843 | 2013 | 113.74290094179 | 2012 | 108.00129780889 | 2011 | 103.2400284201 | 2010 | 100 | 2009 | 96.768905936781 | 2008 | 93.347799351855 | 2007 | 89.460706535686 | 2006 | 86.882938133536 | 2005 | 84.16829728518 | 2004 | 82.503551825727 | 2003 | 79.611827305417 | 2002 | 77.509315447367 | 2001 | 75.456129380707 | 2000 | 73.988687086819 | 1999 | 71.859973384267 | 1998 | 69.977491490593 | 1997 | 67.856720749618 | 1996 | 65.465889315036 | 1995 | 63.114772688337 | 1994 | 59.405409632026 | 1993 | 56.720688619106 | 1992 | 54.552260108671 | 1991 | 51.549820632685 | 1990 | 47.645855017744 | 1989 | 44.718873676735 | 1988 | 41.505945718966 | 1987 | 38.719327455149 | 1986 | 35.776427752895 | 1985 | 33.699086786598 | 1984 | 31.419782115244 | 1983 | 28.851957865238 |
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