Year annual % change 1990 -11.649390717599273 1991 7.586057892806375 1992 -6.594869256168245 1993 21.04999999999999 1994 5.696984717059084 1995 22.37057450709752 1996 12.21011889364718 1997 13.95827890374688 1998 63.832936080603986 1999 -13.673750553722419 2000 -16.513206129192216 2001 -15.927278634101283 2002 -17.352515567577566 2003 34.88413717612866 2004 40.01057053825794 2005 6.771235787280916 2006 43.847836017573094 2007 -3.131097305012176 2008 -65.57316202774211 2009 54.469420187239415 2010 0.5027802867662023 2011 -15.0585121778465 2012 33.319350475813 2013 23.4567032384176 2014 1.25849576902628 2015 9.37057341767897 2016 -7.73870372417026 2017 16.7693467101374 2018 -27.2674956424989 2019 23.1066683167126 2020 -7.4289998212293 2021 2.85339596780239 2022 -19.1416737893989