Year	annual % growth
1961	0.587371516028341
1962	7.883211679488596
1963	18.96869244631381
1964	6.656346745889934
1965	3.8461538499681325
1966	13.20754716575712
1967	23.827160494256773
1968	0.4985044901656863
1969	2.6785714259234936
1970	-9.71014492666913
1971	11.550864849062066
1972	10.418622114608354
1973	11.230873852621542
1974	-0.9996026065930153
1975	-4.400049402471453
1976	10.758696425069786
1977	-2.009214978486966
1978	-2.99080439292851
1979	1.5583778163309745
1980	-4.787638984491764
1981	1.2930320056817095
1982	-13.121785646339575
1983	1.9043156639516212
1984	-6.065502904354716
1985	-18.742051622622867
1986	19.13248289442697
1987	1.1048691785405111
1988	6.7089060808336285
1989	24.609701176458998
1990	11.068425318125747
1991	7.293800252250861
1992	1.1128053469939658
1993	5.304598803575232
1994	15.096501860139796
1995	9.11828987363215
1996	4.06865936864682
1997	-2.110217894366869
1998	6.482429424701593
1999	-12.804796642227686
2000	15.040611260083935
2001	8.37722692347704
2002	5.693240417970941
2003	12.163053126726524
2004	16.620546289354323
2005	8.336314821853577
2006	11.336833184671761
2007	3.089167777352799
2008	2.1745345324353735
2009	-10.755658856328182
2010	9.852630126168933
2011	4.5931559324170905
2012	13.295585307364703
2013	4.09489656973237
2014	10.865461455089559
2015	-5.918699691889557
2016	-5.714343177744752
2017	-4.9745059832978455
2018	5.190009778426628
2019	-1.8196886132115964
2020	-18.799857511008312
2021	15.422091881027455
2022	15.090353704157451
2023	-15.390435835351198