Year 2015 = 100 1987 98.9491227104 1988 78.8359350313 1989 74.0372259295 1990 66.2921969694 1991 68.7672150355 1992 60.4637345091 1993 61.6976882746 1994 66.5367226769 1995 60.4512703298 1996 58.7874199611 1997 60.8858765891 1998 60.7105252622 1999 61.1316544389 2000 61.6976882746 2001 60.5437300042 2002 61.6358638408 2003 62.9484208498 2004 63.8990825844 2005 63.7329442833 2006 72.2670094928 2007 73.8351409512 2008 74.6722224859 2009 83.1462992181 2010 91.7071315994 2011 97.6998296656 2012 96.8071683854 2013 90.8491356589 2014 88.6928656193 2015 100 2016 107.5454259564 2017 104.1115728162 2018 101.034726439 2019 105.6175575505 2020 121.847607364 2021 117.2939393306