Year	annual % growth
1971	4.098568659439934
1972	3.60172283339557
1973	10.916537285574506
1974	0.705335001086155
1975	7.551376552875055
1976	8.116620494812452
1977	14.031270940361878
1978	12.318747047632314
1979	6.4687907679494145
1980	6.3536709645821645
1981	1.9556044006996132
1982	5.535769286484253
1983	10.45245445973002
1984	16.590294214459362
1985	6.579325389547648
1986	2.885908552645816
1987	13.71926158229681
1988	9.024227248470922
1989	10.312615589995431
1990	8.729924034753395
1991	5.702693477817419
1992	13.887948087349784
1993	9.6989549535825
1994	15.133732390692984
1995	19.951782904431354
1996	12.421579057649623
1997	17.548456070514646
1998	22.770345618005436
1999	15.771796481431139
2000	21.187784235245715
2001	14.008143891677676
2002	6.475845002262773
2003	-1.697795046045698
2004	6.520374569165384
2005	5.479910205756681
2006	6.0512209396773216
2007	8.901457363430481
2008	-3.803445160286202
2009	4.648518761412504
2010	5.98184795565642
2011	3.1087457904295945
2012	-0.822203321455163
2013	2.9897370246063133
2014	14.592998316381369
2015	39.1657579727422
2016	4.602828440657419
2017	9.634638577762615
2018	9.804347100744337
2019	11.848058468662742
2020	11.530530651599435
2021	15.103051871369004
2022	13.922415641015903
2023	-4.7615510971291855