Year Index 1992 6.367 1993 27.932 1994 63.288 1995 73.651 1996 75.467 1997 76.444 1998 76.86 1999 75.877 2000 80.89 2001 85.096 2002 87.065 2003 88.027 2004 87.448 2005 86.95 2006 89.795 2007 92.303 2008 99.246 2009 98.513 2010 99.998 2011 103.903 2012 107.35 2013 110.34 2014 110.029 2015 109.699 2016 109.437 2017 110.916 2018 112.533 2019 114.555 2020 116.833 2021 119.401 2022 122.028 2023 124.714 2024 127.456