Year	annual % growth
1972	6.024283479876445
1973	4.1058563950505516
1974	-0.5381907905590424
1975	-6.996190254450411
1976	-0.5227754182701858
1977	0.6523074085836669
1978	3.8356270516659805
1979	11.72449745745881
1980	8.491348373222564
1981	5.072575489122741
1982	-4.6192431960187434
1983	-4.630380835699071
1984	5.700065320710607
1985	9.656199019821926
1986	-1.2544996359899017
1987	-2.0604929805574272
1988	4.47024421625224
1989	-6.214060996299409
1990	10.496767050540228
1991	5.627031350278358
1992	-3.617833370596827
1993	9.323139179613094
1994	-9.165585313517852
1995	6.029144052869739
1996	6.377935240514958
1997	7.429954017116415
1998	4.235607905370898
1999	10.610065204254056
2000	8.77722293954028
2001	7.430681248611904
2002	8.23324988099752
2003	5.059447133682426
2004	6.567415005014055
2005	0.5794542956580386
2006	3.8388677622400706
2007	5.5361247527682735
2008	5.258659183377134
2009	2.343247988434328
2010	1.9406073487614748
2011	4.741783056646014
2012	6.165277790697601
2013	9.849948970127315
2014	6.201780390319129
2015	3.151808602434329
2016	4.481270126637057
2017	3.7140832980134775
2018	6.265163850441311
2019	7.977650395542753
2020	2.7307025773728526
2021	8.297667817641965