Year Index (Units) 1992 11.178 1993 23.384 1994 31.779 1995 39.724 1996 46.715 1997 50.487 1998 52.655 1999 53.768 2000 55.184 2001 56.578 2002 57.689 2003 59.385 2004 63.059 2005 67.404 2006 71.833 2007 79.075 2008 91.137 2009 94.107 2010 92.955 2011 96.880 2012 99.094 2013 99.105 2014 99.789 2015 100.002 2016 100.101 2017 102.998 2018 105.628 2019 108.530 2020 108.618 2021 112.136 2022 131.473 2023 143.382 2024 146.183 2025 151.462 2026 154.793 2027 158.277 2028 161.855 2029 165.606