Year Index (Units) 1995 52.233 1996 56.808 1997 61.692 1998 68.292 1999 69.750 2000 72.383 2001 75.758 2002 77.200 2003 77.292 2004 79.425 2005 80.900 2006 82.950 2007 85.317 2008 90.742 2009 91.667 2010 93.017 2011 94.800 2012 97.917 2013 99.325 2014 99.667 2015 99.975 2016 100.658 2017 103.125 2018 105.342 2019 108.342 2020 111.767 2021 116.058 2022 133.583 2023 147.825 2024 150.985 2025 154.042 2026 157.123 2027 160.266 2028 163.471 2029 166.740