Year	annual % growth
1978	12.135639642821843
1979	-0.034763232728877824
1980	-19.516699568175923
1981	3.35576332908704
1982	5.597139539982692
1983	9.529528640009616
1984	19.909968250450035
1985	9.76196704011916
1986	35.78348436740774
1987	-23.460866692572495
1988	57.94470079343148
1989	-10.210197471643184
1990	8.52272408462575
1991	-20.765132055164415
1992	29.64899321102118
1993	-1.7939133380516807
1994	-21.840109341248976
1995	8.628264066186219
1996	-0.5959403539011845
1997	-21.522707142997433
1998	-1.3070863326500444
1999	-14.699331310661293
2000	4.009425448285668
2001	-23.663294576413065
2002	13.400249442142893
2003	-14.311634934835624
2004	4.6164658045006775
2005	-23.381677929922844
2006	9.595406950924158
2007	2.7391122715404634
2008	22.39147649703628
2009	-2.9897059629667098
2010	-38.71585836325623
2011	-3.2970103380832683
2012	21.496677260907248
2013	5.184304399524379
2014	-10.230612706307937
2015	3.173403853418961
2016	1.5378982057854245
2017	-4.303401851184034
2018	13.855043336264288
2019	5.505295675198596
2020	-13.26989438460734
2021	9.078852182300466
2022	4.5539957997126095
2023	-34.32709588751453