Year 2010 = 100 1991 34.8879009138147 1992 38.7557480738219 1993 46.8219933703637 1994 51.5226545421967 1995 56.1548109657767 1996 61.073284357642 1997 66.3232395628024 1998 73.4187421609031 1999 74.9865615481097 2000 77.8175954130085 2001 81.4459774234008 2002 82.9958788747537 2003 83.0944275219495 2004 85.3879233112346 2005 86.9736606342949 2006 89.1775667443111 2007 91.7219136355492 2008 97.5542017559578 2009 98.5486471958431 2010 100 2011 101.917219136355 2012 105.267873141014 2013 106.781938720659 2014 107.149256405662 2015 107.480738218957 2016 108.215373588963 2017 110.867228095323 2018 113.250313563877 2019 116.47554201756 2020 120.157677835513 2021 124.771546317864 2022 143.612255868124 2023 158.923132055187