Year annual % change 1990 -22.411538827443778 1991 28.55549322305906 1992 -15.593508465549066 1993 34.24119999999999 1994 0.41045521047191613 1995 9.849382976166265 1996 17.93063205923748 1997 -8.883963852523802 1998 1.013795920932714 1999 18.184335295362075 2000 -8.746074490572187 2001 -0.278196213139148 2002 -2.1270625697503154 2003 47.11427002443074 2004 29.09216345630341 2005 11.704190552907455 2006 28.583215142539498 2007 25.150515761491743 2008 -54.08474145736357 2009 72.37448217474353 2010 12.490919526071508 2011 -15.7144146292547 2012 15.0242886382768 2013 -1.71123184588485 2014 -8.28065385379522 2015 -12.9619961086404 2016 7.00705843849538 2017 16.4594260554184 2018 -15.8444534925832 2019 18.2971446851478 2020 9.71287387208382 2021 8.5278153796702 2022 -13.7775211623022