Year 2015 = 100 1980 6.0790218734 1981 8.0311491808 1982 9.4152515287 1983 8.7485952789 1984 9.6459996037 1985 11.0657285538 1986 8.4315711529 1987 6.3965374014 1988 7.7274981941 1989 7.9228653644 1990 9.4117415185 1991 11.2101303762 1992 13.2303167822 1993 14.4398663201 1994 13.741514677 1995 15.0963289891 1996 16.2994846901 1997 17.8956482716 1998 20.0847711072 1999 16.5511476296 2000 17.6888020187 2001 20.4536469281 2002 21.7067525478 2003 23.4461606052 2004 30.3222092322 2005 30.9265174537 2006 38.0554080479 2007 55.244176484 2008 79.764469002 2009 61.8333121231 2010 68.8546081734 2011 82.8030576746 2012 98.7195492967 2013 118.3546435505 2014 101.0202622406 2015 100 2016 79.7997673072 2017 91.1325735478 2018 88.8407825703 2019 81.0378593438 2020 98.2776739833 2021 106.8524957218