Year Index (Units) 1980 0.037 1981 0.063 1982 0.080 1983 0.184 1984 0.248 1985 0.314 1986 0.448 1987 0.605 1988 0.796 1989 1.033 1990 1.396 1991 1.681 1992 1.889 1993 2.191 1994 2.878 1995 4.109 1996 5.668 1997 6.844 1998 7.995 1999 9.131 2000 11.630 2001 15.704 2002 19.281 2003 24.759 2004 28.234 2005 32.447 2006 36.406 2007 42.077 2008 49.579 2009 56.768 2010 65.998 2011 76.051 2012 87.962 2013 100.000 2014 123.940 2015 140.366 2016 162.471 2017 179.819 2018 198.823 2019 215.685 2020 235.886 2021 264.442 2022 339.077 2023 462.235 2024 555.645 2025 616.336 2026 662.266 2027 711.687 2028 764.724 2029 822.835