Year	annual % growth
1971	5.244755244755254
1972	-0.0766675185279837
1973	-3.7902813299232747
1974	10.005848264128872
1975	1.3919095258808198
1976	1.525334858668188
1977	-2.2817972674773443
1978	-0.8744534665833754
1979	-6.63079831321798
1980	8.197061724549656
1981	7.7967565492755
1982	-1.081586326612367
1983	-3.1677465802735725
1984	10.520446096654283
1985	-9.329801547258668
1986	-6.964989566427079
1987	4.715147286048932
1988	0.9138940454091085
1989	3.740389604263953
1990	4.77857597526598
1991	10.258190496853985
1992	-5.198945255618099
1993	14.899535038193306
1994	2.8182245185533077
1995	6.718909231472054
1996	-0.38855411768579984
1997	-1.3817725033883193
1998	1.8167800757550339
1999	0.0032921810699519938
2000	-4.776797471688184
2001	-2.7968885047536673
2002	8.74235310855029
2003	-1.7989141100281216
2004	11.627364774846782
2005	2.219901536625386
2006	3.601973204121549
2007	6.964753613388552
2008	3.9589095219281063
2009	1.5430221951961016
2010	9.988272575292555
2011	4.088021778584377
2012	4.616189355302723
2013	-4.714583333333337
2014	7.363841091457687
2015	-5.541187251807358
2016	-5.997757847533634
2017	4.433282876932253
2018	-1.2276271000329473
2019	0.9827463536108212
2020	6.8497071645603
2021	7.309031712996344
2022	3.7829326369152767
2023	-4.869925618917222
