Year Index 1992 0.004 1993 0.133 1994 1.35 1995 6.959 1996 11.543 1997 13.654 1998 15.281 1999 19.469 2000 23.962 2001 26.338 2002 27.733 2003 30.001 2004 34.593 2005 42.917 2006 49.278 2007 60.543 2008 78.146 2009 87.978 2010 100 2011 114.201 2012 123.103 2013 128.442 2014 148.866 2015 206.748 2016 242.096 2017 295.288 2018 324.75 2019 360.989 2020 399.45 2021 431.119 2022 461.963 2023 493.877 2024 527.195