Year 2010 = 100 1997 92.5590273706625 1998 94.5545853644224 1999 90.0043542205856 2000 89.6257368242537 2001 93.0210659803019 2002 93.9522945696833 2003 94.5475462423536 2004 95.6884806914901 2005 96.826436724874 2006 98.3065990574579 2007 98.8013166900512 2008 102.295631885864 2009 102.940121622489 2010 100 2011 97.4937235973621 2012 95.4113789340437 2013 96.8136356456392 2014 95.8162573964256 2015 92.6342139335177 2016 92.9529936311776 2017 93.60281123428 2018 95.2758229490929 2019 94.0791450631033 2020 92.8488171517811 2021 92.7608528559661 2022 92.9584388868777 2023 96.2554009019323