Year Index (Units) 2000 16.630 2001 31.069 2002 37.131 2003 41.767 2004 45.160 2005 51.784 2006 58.183 2007 63.246 2008 68.992 2009 74.433 2010 78.698 2011 85.709 2012 91.022 2013 95.688 2014 98.162 2015 100.000 2016 101.550 2017 104.567 2018 106.632 2019 109.234 2020 111.909 2021 118.369 2022 130.620 2023 146.298 2024 154.819 2025 159.803 2026 164.777 2027 169.933 2028 175.223 2029 180.681