Year 2000 = 100 1995 56.78683728 1996 72.44906979 1997 84.98847603 1998 99.68181405 1999 92.26158777 2000 100 2001 109.515406 2002 126.3760129 2003 163.4842658 2004 221.6246505 2005 271.6501535 2006 360.4712288 2007 478.5704715 2008 504.2063202 2009 306.4453972 2010 365.1642342 2011 508.8073361 2012 538.0924523 2013 558.1287312 2014 550.4990244 2015 452.1577074 2016 445.0491594 2017 527.2598711 2018 601.4807191