Year	annual % growth
1981	-9.746886684203488
1982	-2.9592565208781565
1983	-11.335190893896367
1984	1.8817991629806983
1985	25.99103879773108
1986	11.780176392037902
1987	-9.179922579272542
1988	-4.555163013560119
1989	1.3175118116128886
1990	-11.04119527558072
1991	28.819278922263692
1992	6.321352141077469
1993	10.704671751452068
1994	-3.223251061521154
1995	9.536153101992227
1996	2.7620777727274515
1997	-2.702842721909022
1998	-0.6968497988595743
1999	4.436822555571766
2000	-0.8408947135104512
2001	-2.6700526997718157
2002	16.235295696727945
2003	8.85012569787591
2004	5.375227861462093
2005	-0.8299903976828062
2006	15.345745499713274
2007	6.3749374316583385
2008	-4.3550100862259455
2009	1.783350264925872
2010	2.766020241304034
2011	-3.294557967582236
2012	1.0057109040555474
2013	2.7991226537749156
2014	10.479381019039025
2015	-11.973068363385195
2016	-0.6084530079658634
2017	1.9452577864360592
2018	16.085659525378574
2019	-8.742136332025254
2020	-16.553412050069753
2021	-2.097404471868657
2022	22.903478061604204
2023	14.056669558054182