Year	annual % growth
1981	5.9049751716241445
1982	-2.006335116628307
1983	6.4217877628092594
1984	9.253014747169217
1985	12.580673466309648
1986	0.6560897846602529
1987	10.288583392178467
1988	-12.747910755281424
1989	-14.032021151400386
1990	-71.35485564372424
1991	-45.519854836764274
1992	5.702078858850896
1993	2.3968952679382483
1994	2.7683527946444713
1995	29.604618315650896
1996	29.951911478206824
1997	7.0969297917542065
1998	-17.368301612765308
1999	-17.72318502521911
2000	-17.16072045204089
2001	1.2149217106887988
2002	8.85767924536107
2003	6.462492725011188
2004	24.507906199065673
2005	9.086313204319111
2006	7.663169205084941
2007	19.622640807630276
2008	2.4778604473524126
2009	-11.71557496955164
2010	11.039181632341482
2011	12.553778675663168
2012	2.037765010716825
2013	9.63201565284632
2014	3.121288470701572
2015	6.441185792953945
2016	8.612468069236328
2017	5.746720088937224
2018	1.7406521153779693
2019	3.970455520392548
2020	-10.371232939901745
2021	11.16439540136625
2022	11.626737018645542
2023	-1.877048861384523