Year 2000 = 100 1980 7.155473781 1981 7.95676173 1982 9.013799448 1983 12.30818767 1984 16.21435143 1985 21.17939282 1986 28.70285189 1987 36.61453542 1988 49.95400184 1989 58.60165593 1990 71.75712971 1991 70.10119595 1992 59.88960442 1993 48.50045998 1994 69.36596136 1995 78.19687213 1996 73.5050598 1997 85.55657774 1998 87.94848206 1999 84.17663293 2000 100 2001 101.1959522 2002 121.4351426 2003 139.8344066 2004 166.5133395 2005 148.6660534 2006 207.175713 2007 209.7516099 2008 304.875805 2009 155.473781 2010 181.6927323 2011 318.675253 2012 289.2364305 2013 304.4757415 2014 276.8169273 2015 220.5238592 2016 235.6945722 2017 292.8610856 2018 321.9871205