Year 2015 = 100 1980 3.2765362508 1981 3.7229742798 1982 3.3262670172 1983 2.9773924015 1984 2.4945104507 1985 2.4816032293 1986 2.5837221313 1987 2.6877391553 1988 3.2351572159 1989 3.8000379865 1990 4.2514111313 1991 5.2183139035 1992 6.6092568787 1993 7.4102638866 1994 7.9812186462 1995 9.0266348642 1996 11.602526895 1997 12.9477700233 1998 12.3714080857 1999 12.042071694 2000 13.2902627266 2001 14.1575357127 2002 16.1919579767 2003 19.7685550026 2004 27.3641869909 2005 32.1368425666 2006 37.9842187861 2007 50.3004186474 2008 76.039047954 2009 56.9438701613 2010 62.6382571827 2011 87.2881196991 2012 97.3846475006 2013 102.7187696289 2014 104.78621175 2015 100 2016 101.1990903377 2017 97.8421952961 2018 92.8897079395 2019 109.5018091843 2020 93.7527944131 2021 131.9310080544