Year annual % growth 1981 -30.804080622628632 1982 -27.475813779470798 1983 -0.533965980522936 1984 4.854085188472965 1985 2.443691123289014 1986 7.77355305089371 1987 14.153558343208644 1988 39.29917648738976 1989 -0.06728171806200578 1990 16.743140332061785 1991 -36.14110169389898 1992 9.60179760356526 1993 8.51722785118821 1994 -12.09491715534348 1995 2.6477957671132515 1996 11.573726147041796 1997 7.3137250228429735 1998 17.904333078540134 1999 2.864563667500903 2000 16.369896201957147 2001 23.08448428056036 2002 -36.390830326295344 2003 43.79490881052769 2004 27.11591036152143 2005 -0.06479091358157518 2006 18.9711962598098 2007 33.88939566080103 2008 62.3764320373497 2009 -13.086020071598924 2010 -17.57058136744044 2011 0.6486495432868651 2012 3.049147801394156 2013 -7.922057888410677 2014 -1.1233889107185178 2015 1.055313164283291 2016 11.472064725864172 2017 -1.7875854423862023 2018 10.669531741758647 2019 12.750598884715842 2020 -10.29923469040601 2021 12.723774263030037 2022 -19.066599132203493 2023 2.8012324658064642