Year % 1994 -1.451880735509652 1995 0.5910064333923779 1996 -2.2186739277339895 1997 -10.0800555519514 1998 -11.42464204743449 1999 -2.2784776861827867 2000 15.915649462689679 2001 -5.112702696148972 2002 -16.286880174983736 2003 -1.6888459672690186 2004 14.343869278213136 2005 -0.5890992343958997 2006 -1.2412372798146154 2007 -2.2005380099614182 2008 6.428890384502457 2009 15.298142606889808 2010 12.966599921539055 2011 8.932044121827023 2012 12.479289196510814 2013 11.134454836172177 2014 11.63482687566351 2015 11.392048751641514 2016 11.952169915155885 2017 9.564810611289674 2018 10.118468387408996 2019 10.032984943461031 2020 9.007834728055409