Year Index 1994 34.929 1995 38.813 1996 43.511 1997 46.666 1998 55.282 1999 59.258 2000 65.109 2001 68.259 2002 70.902 2003 75.497 2004 82.485 2005 90.389 2006 98.928 2007 115.624 2008 131.551 2009 132.778 2010 145.034 2011 156.565 2012 166.928 2013 176.4 2014 187.831 2015 193.564 2016 199.622 2017 210.957 2018 219.153 2019 231.172 2020 240.266 2021 249.76 2022 259.834 2023 270.551 2024 284.156