Year annual % 1996 0.46107159032382583 1997 3.0681013212880686 1998 3.8261467664687245 1999 2.5916872855677724 2000 4.1326624034117 2001 -0.8500463500662079 2002 -0.2900098561073321 2003 4.4101142570597744 2004 1.9087298693428068 2005 4.181639535181205 2006 2.8863022162754532 2007 -2.8901895844759053 2008 -4.685022227361401 2009 6.868299282597732 2010 7.638972420296739 2011 -2.4674669306347283 2012 2.4720360473465632 2013 0.7481307579036809 2014 0.3024506276387342 2015 3.1470470713841365 2016 -0.8964559225362763 2017 -0.3689495255340347 2018 0.4750333267472797 2019 1.2930922636427766 2020 -4.0513285491304885 2021 8.597069937751002 2022 3.4445480590553927