Year 2015 = 100 1980 15.5421696273 1981 14.1050579983 1982 14.5297593911 1983 15.6951479306 1984 16.5796363492 1985 16.1332953684 1986 18.1151977768 1987 18.5555780722 1988 17.9470559593 1989 16.2735953561 1990 17.5599792137 1991 19.7567228703 1992 22.5283557238 1993 27.3023768133 1994 31.5801370446 1995 30.8592830733 1996 31.6012003523 1997 34.7482284623 2000 37.382201147 2001 37.7345177763 2002 40.52481566 2003 50.5734752451 2004 56.523068253 2005 58.2814532398 2006 60.9816971768 2007 64.9828222375 2008 67.4868093567 2009 57.0986560597 2010 67.997859709 2011 83.3341814794 2012 84.0355825607 2013 82.5421639239 2014 90.418474718 2015 100 2016 106.8826706919 2017 115.5513886389 2018 117.7810143636 2019 110.7694554869 2020 98.2912298293 2021 105.8492308443