Year 2010 = 100 1965 1.46845115458481 1966 1.53360427747613 1967 1.51689834852749 1968 1.6087809577408 1969 1.6735164324251 1970 1.67017524663537 1971 1.73449307308343 1972 1.80089914065425 1973 1.90907003060082 1974 2.20921988736678 1975 2.55628556128437 1976 2.73155859916348 1977 2.91824735517142 1978 3.61558067270225 1979 4.93674122038438 1980 5.06008666245512 1981 5.67576736106675 1982 6.00882685882617 1983 6.49862023788415 1984 7.42901923537982 1985 7.711640436232 1986 7.84086251921749 1987 8.3986017032001 1988 8.775429971003 1989 9.79878549916246 1990 10.4849130752725 1991 11.4282342810669 1992 11.636609086125 1993 12.7629568098098 1994 14.6586151711817 1995 17.482341391462 1996 22.1041098052967 1997 28.9810497839288 1998 32.6038000510269 1999 33.7075770120067 2000 41.943020388257 2001 45.842122296227 2002 45.2160655760269 2003 50.0304301362971 2004 54.1211329223103 2005 61.2933032980337 2006 62.9760619067517 2007 68.2736478196678 2008 84.9371636130896 2009 93.9026511592399 2010 100 2011 109.592166059797 2012 129.495248990341 2013 139.774527564212 2014 145.932087987576 2015 154.023568290146 2016 162.583720148134 2017 188.682529221908 2018 183.371685700859 2019 182.112339994344 2020 195.44497823506 2021 211.871226580912 2022 251.704878819603 2023 319.517907407394