Year	annual % growth
1972	6.04166718357348
1973	-7.4234546609163345
1974	8.555880190116369
1975	3.984722553534411
1976	6.683914973863708
1977	-0.019222802823421148
1978	-3.440087826443232
1979	5.14220528756168
1980	-1.8875715382315406
1981	8.786005562415085
1982	-2.1839826373546316
1983	-7.46290994937614
1984	9.57169535385458
1985	10.285074107403986
1986	6.030831018939423
1987	6.730685955697567
1988	-4.985712901122767
1989	-0.5878319675981061
1990	1.465010166923804
1991	2.7043711734725093
1992	1.9252416833745514
1993	-0.8296240329664357
1994	-11.250167455445194
1995	8.677894483262946
1996	1.1239412131335769
1997	6.520271581420303
1998	3.539930603250525
1999	12.734927069493708
2000	0.30820240501951446
2001	10.530482270830731
2002	-2.8758751867133867
2003	8.950304493486684
2004	1.6863154631239468
2005	6.319753423183201
2006	2.5918313992442847
2007	3.693675692495063
2008	-0.06276490521048572
2009	7.806196469026119
2010	4.190199191299911
2011	-1.6063358261632175
2012	1.0084945883622964
2013	6.062014257675003
2014	9.206081790720873
2015	8.379260661579963
2016	8.25380221446595
2017	8.399541710099996
2018	4.570732553896221
2019	4.180487081956713
2020	2.544042661106886
2021	5.210204216749673