Year annual % change 1990 -7.168096920747102 1991 -10.418050010793511 1992 -23.742126374548167 1993 29.215200000000017 1994 19.699539992199043 1995 10.762397362125832 1996 28.685786866624397 1997 11.825386601445341 1998 -31.1268657987797 1999 39.245009211226865 2000 -7.584507757118441 2001 -16.704966358667285 2002 -10.649716148231514 2003 44.5748006171659 2004 50.48619881046008 2005 24.728738920043437 2006 41.62911872567163 2007 25.903506888365 2008 -66.0652061608378 2009 91.41376483528252 2010 13.689399001232472 2011 -18.0586553452425 2012 16.3715493168162 2013 8.07158825967715 2014 -24.1085550760469 2015 -17.3955407127499 2016 13.8231859480871 2017 19.4061272598596 2018 -10.7672570737976 2019 9.96288155608356 2020 2.97918141581133 2021 15.1856395889017 2022 -14.2937691882704