Year 2015 = 100 1980 54.9483686394 1981 45.9051336619 1982 51.1351527396 1983 38.0079764284 1984 46.3768191545 1985 43.7040421775 1986 29.6179246916 1987 55.3282445473 1988 54.1872653506 1989 52.2760388273 1990 45.0032936155 1991 57.9938767052 1992 46.1400286312 1993 50.3758258485 1994 116.4693531515 1995 112.836468406 1996 110.3360000027 1997 160.6248382962 1998 175.1007921519 1999 198.9643244506 2000 262.5748482537 2001 241.6819838348 2002 256.9246288871 2003 201.0820775928 2004 196.1702533331 2005 183.877154666 2006 218.3964018049 2007 224.9319910531 2008 182.3387902827 2009 156.0841888968 2010 160.5733801116 2011 193.7990939312 2012 220.102979382 2013 124.4697874009 2014 101.0142940008 2015 100 2016 136.4702629943 2017 159.513759469 2018 184.5723399308 2019 172.5713891031 2020 152.2096768418 2021 175.8367945193