Year Index 1983 71.013 1984 74.13 1985 77.345 1986 81.436 1987 83.871 1988 90.203 1989 91.836 1990 100 1991 105.693 1992 110.944 1993 116.284 1994 123.875 1995 147.043 1996 154.81 1997 163.063 1998 198.632 1999 224.846 2000 247.264 2001 272.86 2002 313.283 2003 339.718 2004 347.793 2005 364.21 2006 360.768 2007 372.462 2008 414.362 2009 437.864 2010 459.294 2011 479.348 2012 507.228 2013 521.902 2014 556.631 2015 591.848 2016 630.979 2017 660.635 2018 692.345 2019 724.885 2020 758.955 2021 794.626 2022 831.973 2023 866.084 2024 898.129