Year Index (Units) 1992 0.076 1993 0.716 1994 2.253 1995 5.213 1996 6.350 1997 7.050 1998 13.003 1999 17.757 2000 21.344 2001 25.310 2002 29.121 2003 32.612 2004 36.441 2005 40.419 2006 44.055 2007 49.284 2008 55.829 2009 60.740 2010 66.071 2011 70.102 2012 74.712 2013 79.531 2014 88.568 2015 100.000 2016 105.375 2017 108.034 2018 112.646 2019 116.077 2020 121.779 2021 132.000 2022 147.739 2023 158.696 2024 167.109 2025 174.411 2026 181.388 2027 188.643 2028 196.189 2029 204.036