Year 2010 = 100 1996 8.64459741756038 1997 11.7408482831257 1998 17.6691707447645 1999 19.9176039987665 2000 22.3493334419534 2001 24.4103972581218 2002 26.8828591877943 2003 29.5153416000885 2004 33.4367162633182 2005 39.1718503604826 2006 48.2115528969528 2007 57.1540793585216 2008 75.4377287565537 2009 88.2300633564732 2010 100 2011 114.32716676168 2012 126.489216841458 2013 136.74222115324 2014 146.312124734434 2015 153.987480809631 2016 162.349801230772 2017 171.587985799762 2018 185.089551682324 2019 199.378919008272 2020 218.956588859877 2021 236.774773301467 2022 279.407575020066 2023 338.806590676412