Year 2010 = 100 1980 83.9765984399347 1981 87.1652585122997 1982 90.4462718767048 1983 83.6136866334335 1984 81.0665806108505 1985 78.4331321356334 1986 73.4878950645074 1987 75.1939155940284 1988 77.3378805686394 1989 78.24444177231 1990 82.6679754572275 1991 83.5586391055119 1992 85.9906060396194 1993 86.5485665795843 1994 87.6192894627258 1995 90.4666904851223 1996 94.4193972920909 1997 94.1143298063549 1998 91.4481457264558 1999 91.4251359103994 2000 85.1566745334184 2001 86.1696214084588 2002 88.8104889134261 2003 94.7060372878918 2004 96.2952092677731 2005 96.0918797703409 2006 96.6466877213689 2007 97.8929342514838 2008 99.4638435327544 2009 100.772628043253 2010 100 2011 100.725825626033 2012 97.4917660305376 2013 96.4975303073794 2014 94.850985681466 2015 89.30904877402 2016 89.5193892491962 2017 89.9357514754575 2018 90.4902524468228 2019 88.6692958194401 2020 87.6241348305452 2021 86.0530124803578 2022 85.2965349105373 2023 85.7740872042694