Year Index 1995 47.485 1996 58.45 1997 63.556 1998 66.968 1999 67.935 2000 68.678 2001 69.743 2002 69.977 2003 69.223 2004 70.023 2005 71.893 2006 74.594 2007 78.884 2008 87.689 2009 91.338 2010 92.426 2011 96.238 2012 99.283 2013 100.438 2014 100.682 2015 100 2016 100.678 2017 104.422 2018 107.065 2019 109.486 2020 112.026 2021 114.669 2022 117.496 2023 120.397 2024 123.457