Year	annual % growth
1972	8.014306240804856
1973	11.457018119050446
1974	3.8986421655755663
1975	5.418923017755972
1976	16.66112266489573
1977	11.495592446931198
1978	12.054464895790034
1979	6.037131843691881
1980	-6.605625125242113
1981	5.676191343125112
1982	8.675682056019227
1983	13.460366104899919
1984	10.801344141525561
1985	6.012225364961637
1986	13.10702214666044
1987	14.02018525437785
1988	11.821477931854488
1989	7.986161486017494
1990	8.403848666420586
1991	10.751144079724355
1992	5.391575421471856
1993	6.975934751891629
1994	9.530032738308563
1995	6.991164458165699
1996	5.860252656698066
1997	3.4249364643779643
1998	-8.56806255924046
1999	10.09356917635516
2000	6.8235230111868646
2001	3.8968098808378926
2002	9.402763005031673
2003	2.245005707762715
2004	4.460388888850943
2005	1.875671232269525
2006	3.923125026402488
2007	6.255506484062863
2008	-0.9606248157065522
2009	1.3528709532563852
2010	8.033741060102201
2011	1.133288286085147
2012	2.432401319278995
2013	3.626996545189968
2014	3.0579190668368312
2015	5.8711592606620115
2016	4.1375419889450455
2017	3.5962360631935297
2018	1.053024004290947
2019	-0.7776897510649974
2020	-1.2424830832712956
2021	3.1256626298638395