Year Index (Units) 1989 0.010 1990 0.751 1991 22.768 1992 28.112 1993 33.870 1994 35.841 1995 40.641 1996 44.546 1997 48.901 1998 55.761 1999 60.906 2000 66.123 2001 70.912 2002 73.215 2003 77.118 2004 84.067 2005 92.396 2006 100.000 2007 109.674 2008 127.440 2009 135.133 2010 143.427 2011 158.078 2012 167.948 2013 175.252 2014 189.960 2015 204.376 2016 213.756 2017 222.571 2018 228.487 2019 240.815 2020 253.760 2021 262.780 2022 286.209 2023 308.324 2024 323.740 2025 336.690 2026 350.157 2027 364.164 2028 378.730 2029 393.880