Year 2015 = 100 1980 8.4448779029 1981 9.5028716779 1982 10.2243948621 1983 10.3309224909 1984 10.7488283785 1985 10.428806854 1986 11.3046428152 1987 12.9179737019 1988 16.6296669939 1989 18.218377585 1990 20.9459876659 1991 22.3290208817 1992 23.9082555675 1993 28.512446804 1994 32.7402185349 1995 36.9417715419 1996 39.3103885853 1997 42.2325540322 1998 37.3247084145 1999 40.7470817083 2000 45.9081035575 2001 42.8040809994 2002 44.1265886547 2003 51.804348712 2004 62.0314281928 2005 66.8495439385 2006 73.9118047459 2007 78.7305976361 2008 86.8337108855 2009 76.1728631793 2010 88.1141679115 2011 90.5776760317 2012 93.4654084958 2013 97.1005335165 2014 98.1683214364 2015 100 2016 100.357840813 2017 106.2346392031 2018 111.7223158707 2019 110.3581172302 2020 108.6426103622 2021 118.9533161363