Year	annual % growth
1970	11.81750203549339
1971	3.627144133757483
1972	-4.101944925508889
1973	2.694545119399905
1974	-5.634605710456896
1975	-2.0635431317624864
1976	0.20589810030553224
1977	6.61857015103466
1978	1.8565318308593675
1979	-2.680429646472817
1980	0.1329036978738145
1981	-9.399092349390259
1982	-2.7591853941637225
1983	2.158719970180755
1984	7.213644857280428
1985	7.617116998859245
1986	6.80771765439691
1987	1.4596912385342193
1988	9.797930453626108
1989	3.2787665680073133
1990	2.8816058770838566
1991	1.2632361841820483
1992	1.7821108511461432
1993	-1.6365919636237294
1994	2.0374837560350585
1995	5.8894767581482625
1996	6.7404164426855715
1997	6.3747647931081275
1998	6.764981262144062
1999	9.986301064735287
2000	2.3374595428992535
2001	1.2890749280898461
2002	-4.074747471249353
2003	-1.7291805976524586
2004	0.20352965232149245
2005	3.2605860664922375
2006	6.969071831672281
2007	14.78446122135135
2008	-2.961324620030453
2009	-8.568474631834164
2010	-6.781443116300906
2011	4.907146881610046
2012	-6.305501987110873
2013	-1.5974856422052284
2014	-2.406856234991281
2015	28.989825978532167
2016	-7.28432535910261
2017	4.204693753447117
2018	3.585794079736047
2019	6.169153732818657
2020	-2.61735561570417
2021	2.910886277633267
2022	1.7917088658150817
2023	1.9612943615200322