Year 2015 = 100 1980 11.6698143496 1981 11.4049400405 1982 9.8576648679 1983 9.5893009656 1984 10.3785222058 1985 10.349410409 1986 11.6298035582 1987 13.4186731651 1988 17.3310307121 1989 15.9495350236 1990 20.3881515989 1991 20.4806018655 1992 18.9919327047 1993 14.6013577612 1994 26.5571751799 1995 30.8104054371 1996 30.8095547269 1997 31.4871670304 1998 32.0254868857 1999 33.5936778653 2000 33.275450853 2001 31.9866676782 2002 35.1432467314 2003 39.3042447628 2004 44.4385795131 2005 50.1013435301 2006 57.0592810326 2007 68.6840482748 2008 91.092370111 2009 62.927128641 2010 79.5667239149 2011 96.953577703 2012 96.0213436528 2013 98.375838188 2014 107.0977608804 2015 100 2016 101.4631656307 2017 113.1514834603 2018 128.0948146105 2019 130.434719258 2020 121.6039221854 2021 160.4843642175