Year Index (Units) 1998 9.974 1999 12.807 2000 14.219 2001 16.263 2002 22.245 2003 28.580 2004 31.200 2005 34.948 2006 42.066 2007 51.570 2008 60.611 2009 66.015 2010 70.391 2011 76.623 2012 82.963 2013 89.503 2014 94.977 2015 98.913 2016 100.000 2017 105.373 2018 111.111 2019 118.073 2020 125.128 2021 130.686 2022 152.099 2023 179.629 2024 199.388 2025 212.348 2026 226.151 2027 240.851 2028 256.506 2029 273.179