Year	annual % growth
1971	1.8882251726291486
1972	5.667310198013681
1973	9.950076894603015
1974	-1.6994070433201074
1975	-10.231308808471468
1976	8.76966162790454
1977	3.5624630005400775
1978	5.214605878473307
1979	6.626737711861779
1980	-1.8097953601444772
1981	-0.6406387218684699
1982	-4.913315372353054
1983	1.866691725828801
1984	10.51669944589986
1985	4.2198023280057555
1986	3.838711977538793
1987	4.752376748958824
1988	8.137062899337906
1989	6.474938361147167
1990	3.2764485133631354
1991	-0.8688969470983352
1992	0.7601170858338264
1993	-1.059664670932932
1994	6.237461296570828
1995	3.33473965181237
1996	4.614482864246412
1997	5.006776103336776
1998	3.9919768456651923
1999	4.546723810427949
2000	5.4282083390613
2001	-1.5817351890685813
2002	-0.9707166169807095
2003	2.641941051497753
2004	4.998576101071791
2005	4.106960041040168
2006	4.490939000933508
2007	2.1223002622935354
2008	-2.9708210642431396
2009	-15.342629157396601
2010	7.600896873292044
2011	4.628664435211121
2012	1.2171945613925317
2013	2.4104802371658423
2014	4.492299921907275
2015	4.283695056154357
2016	1.3255372095645868
2017	4.382907812441573
2018	3.6615002830567676
2019	2.718762407640085
2020	-5.28576337200478
2021	6.445935867783774
2022	3.8777726999517483