Year Index 1989 68.341 1990 78.845 1991 65.666 1992 62.69 1993 63.516 1994 93.337 1995 96.557 1996 97.351 1997 99.411 1998 99.955 1999 99.006 2000 100.783 2001 101.725 2002 102.154 2003 105.751 2004 105.237 2005 106.41 2006 105.694 2007 105.488 2008 111.37 2009 112.334 2010 113.106 2011 115.709 2012 118.216 2013 122.073 2014 124.194 2015 122.765 2016 127.762 2017 129.112 2018 137.185 2019 141.301 2020 144.834 2021 148.512 2022 152.285 2023 156.153 2024 160.119