Year 2010 = 100 1980 36.7750484367364 1981 36.7627900872575 1982 41.6508069419736 1983 47.7370774582535 1984 48.9506540566658 1985 54.0531920272629 1986 55.2667686256752 1987 51.4053885398179 1988 49.367437938949 1989 49.7076071369889 1990 49.7014779622492 1991 48.3285428206112 1992 47.8290150793453 1993 46.4346278261193 1994 57.8440866036167 1995 68.9440220567716 1996 71.5121462726036 1997 72.6644311236216 1998 71.2945605693531 1999 70.2863113247124 2000 72.5378636652516 2001 75.3195896207538 2002 77.0759046423449 2003 80.2627690481251 2004 78.6042143636283 2005 80.8707831822792 2006 86.2852961471146 2007 87.1135639078315 2008 95.1793660993333 2009 98.5308812088857 2010 100 2011 101.194475724499 2012 106.73820858312 2013 114.197921480885 2014 131.211909142167 2015 133.052773088714 2016 139.632808518549 2017 145.470469904858 2018 147.815682079127 2019 151.785085312376 2020 154.380847959423 2021 160.95649049113 2022 169.942960718886 2023 175.005796934209