Year 2015 = 100 1980 60.4919186452 1981 74.7152487705 1982 48.2836022096 1983 49.3804136611 1984 54.5940414815 1985 46.2358854202 1986 45.1308981939 1987 44.7309142051 1988 55.9537354911 1989 58.1354091828 1990 46.1956354599 1991 41.4021166085 1992 35.3696536344 1993 32.1395942264 1994 40.5034104362 1995 40.0347391397 1996 42.926136969 1997 48.8678006377 1998 52.8395009472 1999 54.4069986692 2000 60.7617191681 2001 55.8791755876 2002 54.7035522915 2003 57.9444597444 2004 62.8693681515 2005 65.0829291255 2006 70.0052320458 2007 75.8351161774 2008 71.4641276068 2009 58.0704950381 2010 71.5296765596 2011 89.941536605 2012 96.0526594526 2013 102.2167383258 2014 104.8412379157 2015 100 2016 104.2131796918 2017 107.3375839307 2018 112.6702535776 2019 118.5441335687 2020 109.1094918475 2021 131.9875447809