Year Index 1990 2.588 1991 3.105 1992 4.637 1993 6.318 1994 8.823 1995 14.225 1996 17.845 1997 18.87 1998 20.548 1999 23.641 2000 29.118 2001 32.192 2002 39.134 2003 41.948 2004 49.46 2005 59.426 2006 71.664 2007 76.872 2008 85.103 2009 88.827 2010 100 2011 109.51 2012 119.663 2013 126.691 2014 132.598 2015 136.396 2016 149.413 2017 166.026 2018 183.018 2019 200.66 2020 218.22 2021 236.612 2022 256.568 2023 277.894 2024 300.5