Year Index (Units) 1990 65.873 1991 67.676 1992 68.384 1993 68.545 1994 67.934 1995 67.715 1996 67.760 1997 67.783 1998 68.102 1999 67.867 2000 67.175 2001 64.392 2002 64.327 2003 64.262 2004 65.559 2005 66.791 2006 69.645 2007 75.416 2008 84.300 2009 85.078 2010 88.644 2011 91.563 2012 95.570 2013 96.320 2014 97.286 2015 97.263 2016 97.981 2017 99.615 2018 100.181 2019 100.671 2020 99.781 2021 103.374 2022 104.922 2023 105.596 2024 106.656 2025 108.255 2026 110.421 2027 112.629 2028 114.882 2029 117.179