Year	annual % growth
1971	5.70285721827662
1972	7.661995647916925
1973	9.27614307880988
1974	-3.46564165563845
1975	-11.208117190103962
1976	14.049533694329014
1977	9.912262689004052
1978	9.707192413385286
1979	4.714805302470751
1980	-7.292646868849985
1981	6.954771780229279
1982	-11.365967816937655
1983	8.667394898673876
1984	22.676701093966216
1985	2.9067506104766494
1986	1.8803829914597543
1987	3.9042844361079716
1988	2.5336471459255705
1989	3.7679495602415756
1990	-1.7042513486918125
1991	-5.452375201204745
1992	4.708198458934973
1993	5.236424499740821
1994	9.028609915330364
1995	2.8847652479490336
1996	7.022523302414058
1997	9.976300762894283
1998	8.099115086150803
1999	7.741648902434363
2000	6.263415746249251
2001	-3.9276107035496324
2002	0.6182010780574103
2003	4.538714437257994
2004	7.880595226645525
2005	6.0673283326794945
2006	3.2938014170688064
2007	-1.2386533957871393
2008	-5.525130541298566
2009	-16.226455444021894
2010	10.564770047459277
2011	4.672530558989578
2012	7.270414130561576
2013	5.02493243050921
2014	4.729711446481062
2015	4.511069648161396
2016	-0.06725290153049457
2017	4.487638782440158
2018	5.278678552965005
2019	2.929657804544732
2020	-3.6780025926589843
2021	7.110614428511667
2022	4.1110443251545234