Year 2015 = 100 1980 60.7381877602 1981 59.523424005 1982 59.9283452568 1983 56.6889752429 1984 60.7381877602 1985 57.4988177464 1986 42.1118101804 1987 41.7068889287 1988 40.8970464252 1989 41.7068889287 1990 40.8970464252 1991 37.6576764113 1992 31.9887788871 1993 31.9887788871 1994 38.0625976631 1995 40.8970464252 1996 44.9462589426 1997 44.5413376908 1998 40.4921251735 1999 38.8724401666 2000 40.4921251735 2001 38.2608567289 2002 38.573753528 2003 41.4308155629 2004 52.3002218813 2005 59 2006 70.5 2007 79.5 2008 98.4 2009 83.3 2010 96 2011 120.4 2012 134.6 2013 132 2014 130.2 2015 100 2016 86.8 2017 100.1 2018 108.9 2019 109.2 2020 100.3 2021 121.4 2022 141.3