Year Index (Units) 1992 23.333 1993 30.783 1994 37.208 1995 42.258 1996 46.450 1997 50.325 1998 54.325 1999 57.650 2000 62.801 2001 68.063 2002 73.155 2003 77.211 2004 79.985 2005 81.946 2006 83.960 2007 87.031 2008 91.946 2009 92.718 2010 94.388 2011 96.089 2012 98.585 2013 100.329 2014 100.529 2015 100.001 2016 99.946 2017 101.374 2018 103.137 2019 104.818 2020 104.761 2021 106.769 2022 116.201 2023 124.854 2024 128.266 2025 130.791 2026 133.450 2027 136.136 2028 138.863 2029 141.646