Year Index (Units) 2000 42.202 2001 42.987 2002 42.959 2003 45.761 2004 55.345 2005 55.031 2006 59.575 2007 63.821 2008 75.005 2009 75.112 2010 78.675 2011 86.944 2012 91.644 2013 95.835 2014 96.625 2015 96.661 2016 103.480 2017 102.996 2018 100.000 2019 96.797 2020 98.366 2021 108.219 2022 116.952 2023 123.528 2024 127.051 2025 127.490 2026 129.779 2027 131.263 2028 133.269 2029 134.534