Year	annual % growth
1971	6.6592355297525785
1972	21.461460705389698
1973	38.44837809166816
1974	31.84468795829457
1975	9.063313282351501
1976	-1.6956490672353652
1977	21.751840017080838
1978	7.742737173362713
1979	4.042780398400353
1980	23.512974017064806
1981	19.481515364608384
1982	3.696895543342251
1983	3.79890823433216
1984	5.3962013644307945
1985	-1.0173938890094263
1986	-7.481278857450036
1987	6.5053781485737545
1988	13.463973362407671
1989	25.38447402926964
1990	18.539123216921254
1991	14.902752652962363
1992	12.883277738714867
1993	20.002286752305352
1994	13.289800311069811
1995	7.243309927822182
1996	9.30429913447746
1997	10.221937100349493
1998	-6.4539523769250735
1999	5.522685010509292
2000	7.492734066926232
2001	4.388787350815846
2002	7.4720179336112125
2003	3.961579780099015
2004	7.148185851106888
2005	8.568165681270543
2006	6.895570431917378
2007	18.655294128066103
2008	8.639044422387343
2009	2.455643101846121
2010	5.290313565525935
2011	7.180884442338197
2012	6.636520205540307
2013	6.025750875853291
2014	6.7679331901099715
2015	5.3358190056524535
2016	5.7134082793454155
2017	6.4612531870509144
2018	6.955080381558389
2019	6.156888077059833
2020	-5.434317118162852
2021	2.1341253222411467
2022	11.309309515994116
2023	5.39764641671016