Year Index (Units) 1993 53.855 1994 54.498 1995 55.677 1996 57.017 1997 58.678 1998 63.447 1999 63.554 2000 65.461 2001 66.961 2002 68.024 2003 70.874 2004 73.225 2005 75.202 2006 77.561 2007 80.879 2008 86.187 2009 92.086 2010 95.398 2011 101.459 2012 104.045 2013 107.611 2014 107.717 2015 109.429 2016 113.708 2017 116.917 2018 122.586 2019 121.516 2020 118.093 2021 121.623 2022 125.367 2023 131.761 2024 135.714 2025 139.921 2026 144.119 2027 148.298 2028 152.450 2029 156.567