Year % 1998 20.541347546287017 1999 -5.46084714400853 2000 -18.22701229539565 2001 11.748883645189364 2002 5.106680785379219 2003 -0.5698254375923067 2004 -8.962385361724618 2005 -11.170102129098451 2006 -4.132499441665508 2007 4.3310254316226535 2008 -6.3826033507391235 2009 35.415117601229454 2010 -9.588180212684412 2011 -12.215379993992189 2012 4.229749244999649 2013 8.562908314943671 2014 7.484658302031556 2015 28.053877317556715 2016 16.148316969626705 2017 0.5205245375140732 2018 -3.4023108238884703 2019 9.138890752704064 2020 18.358144305853557 2021 -8.631055770466718 2022 -15.081471731858622 2023 21.119853498144153