Year Index (Units) 2000 45.861 2001 48.627 2002 51.376 2003 54.192 2004 55.564 2005 56.137 2006 59.867 2007 64.458 2008 68.474 2009 69.144 2010 74.691 2011 86.262 2012 94.200 2013 98.000 2014 98.300 2015 97.700 2016 97.700 2017 98.300 2018 100.400 2019 100.700 2020 101.900 2021 107.300 2022 114.700 2023 124.700 2024 127.818 2025 130.374 2026 132.981 2027 135.641 2028 138.354 2029 141.121