Year Index 1994 34.925 1995 54.902 1996 69.85 1997 74.774 1998 83.68 1999 92.201 2000 100 2001 122.35 2002 127.647 2003 144.996 2004 159.469 2005 179.368 2006 193.469 2007 215.075 2008 238.294 2009 259.342 2010 291.722 2011 359.323 2012 380.184 2013 411.132 2014 452.268 2015 597.152 2016 581.919 2017 893.512 2018 1161.57 2019 1277.72 2020 1341.61 2021 1408.69 2022 1479.12 2023 1553.08 2024 1630.73