Year Index 2010=1 2000-01-01 0.760528304675004 2001-01-01 0.727320822239604 2002-01-01 0.786446868274804 2003-01-01 0.783862647236901 2004-01-01 0.779286682145500 2005-01-01 0.802143556670454 2006-01-01 0.812267216813162 2007-01-01 0.850985139358238 2008-01-01 0.906642845242643 2009-01-01 0.938824389431401 2010-01-01 1.000000000000000