Year	annual % growth
1981	0.6009678416877335
1982	-31.692525474951978
1983	2.1425070477205423
1984	30.327439630391325
1985	-8.05011137123266
1986	2.2787104292011975
1987	26.387734231881282
1988	27.998137260608885
1989	33.276811051860165
1990	-6.767528798693149
1991	23.332038358205835
1992	5.079327911338211
1993	14.09082402197157
1994	-23.54728722366393
1995	9.549135941721758
1996	-3.736787990792152
1997	-0.428065287062978
1998	-1.6775855274628952
1999	36.571924642793675
2000	32.99356355532311
2001	-7.88330862241601
2002	-4.514385768080359
2003	-13.515414752498927
2004	-4.68026930633259
2005	8.422168906673505
2006	0.37345256543603966
2007	5.8338070565613975
2008	20.514421575614875
2009	-23.664644668803334
2010	-10.428351777163115
2011	-21.556083832972817
2012	10.490143835348206
2013	18.012197936321755
2014	28.101999244224174
2015	2.949989909003591
2016	11.16770174355797
2017	-15.646985304220522
2018	8.171139142777335
2019	6.158821029071234
2020	-5.069426828704394
2021	28.103342304454003
2022	8.284555491506524
2023	9.149238781632235