Year Index 1992 0.029 1993 0.451 1994 20.546 1995 53.095 1996 63.918 1997 75.206 1998 84.058 1999 84.209 2000 83.089 2001 86.54 2002 87.341 2003 91.315 2004 97.073 2005 100 2006 104.62 2007 109.048 2008 115.528 2009 118.482 2010 127.687 2011 133.154 2012 140.358 2013 145.084 2014 148.426 2015 150.149 2016 150.461 2017 153.849 2018 160.016 2019 165.637 2020 171.931 2021 177.397 2022 183.29 2023 189.509 2024 196.007