Year Index (Units) 1996 48.837 1997 56.839 1998 58.319 1999 60.384 2000 64.482 2001 67.542 2002 70.932 2003 71.936 2004 73.731 2005 76.038 2006 81.266 2007 86.431 2008 93.396 2009 93.395 2010 94.803 2011 97.149 2012 97.779 2013 97.539 2014 98.456 2015 100.000 2016 101.333 2017 103.136 2018 106.013 2019 108.635 2020 108.703 2021 114.097 2022 127.571 2023 135.263 2024 139.669 2025 143.451 2026 147.204 2027 150.277 2028 153.279 2029 156.348