Year 2010 = 100 1969 7.66390227311214 1970 8.11607250714911 1971 8.50693152315447 1972 9.158363216369 1973 10.1776622186163 1974 12.1549490050792 1975 13.6110904369706 1976 15.1763658372221 1977 17.3870337756254 1978 18.5904810217608 1979 21.2389723692426 1980 23.5988581880474 1981 25.415970268527 1982 27.3038789235708 1983 28.6745792698556 1984 29.7778258901073 1985 30.6667162152691 1986 30.6667162152691 1987 30.6053827828386 1988 32.6293860530463 1989 41.0192884976069 1990 47.6611881178976 1991 51.5481943981829 1992 53.6079755039749 1993 55.3859733581903 1994 57.3337298015011 1995 58.6828638516848 1996 62.4979647750506 1997 64.3965805741499 1998 66.3875081902343 1999 66.7899868188227 2000 67.2353965011268 2001 68.4269451384666 2002 69.6812068619824 2003 70.8170105338327 2004 73.1977851016171 2005 75.7550853934519 2006 80.4910847531713 2007 84.3095064663315 2008 96.0885823707758 2009 95.3784207318567 2010 100 2011 104.162441629278 2012 108.86561499113 2013 114.11797064643 2014 117.426797297677 2015 116.397138828916 2016 115.491068042148 2017 119.329869272798 2018 124.654739256782 2019 125.604002606804 2020 126.022633651656 2021 127.719016475095 2022 133.120452526249 2023 135.895840722819