Year Index (Units) 1992 0.006 1993 0.062 1994 0.851 1995 1.846 1996 3.034 1997 4.558 1998 5.747 1999 7.239 2000 9.279 2001 11.736 2002 14.266 2003 15.513 2004 16.950 2005 18.878 2006 20.932 2007 23.414 2008 26.652 2009 29.946 2010 33.510 2011 38.070 2012 42.187 2013 46.744 2014 51.062 2015 55.365 2016 60.791 2017 72.209 2018 82.509 2019 95.041 2020 105.654 2021 116.202 2022 130.445 2023 141.860 2024 158.982 2025 172.659 2026 184.814 2027 194.054 2028 203.725 2029 213.844