Year	annual % growth
1961	6.521732716723122
1962	13.775520565965024
1963	7.399112535595492
1964	14.196213946376687
1965	17.0018384305651
1966	16.955790564544145
1967	3.6124433916042307
1968	2.510972266494818
1969	-0.8502737871077102
1970	3.583597332087038
1971	-6.228412184440316
1972	-11.962819717906143
1973	-8.22871702629594
1974	-1.6210767248668816
1975	6.848599261145608
1976	7.318415685431617
1977	2.193992628228571
1978	-3.6471985378908016
1979	13.251680578477192
1980	13.639765095107535
1981	-11.207862973692954
1982	-19.304450656439514
1983	-6.005355500554373
1984	-2.69092244661789
1985	23.466701678330153
1986	18.08058089216793
1987	-9.552818812099702
1988	1.5992001633554622
1989	-2.5426646837349836
1990	-20.77146407846209
1991	29.53834026452833
1992	0.19023404479226258
1993	3.7784232161469617
1994	7.216519737601558
1995	-1.2391713643070688
1996	-11.56990497455294
1997	8.428803025970538
1998	20.445709838379926
1999	7.44512292097852
2000	25.96671911985382
2001	20.706249334274716
2002	10.016548650640516
2003	11.999998194151587
2004	7.514459216242969
2005	8.400540007042196
2006	9.00000144109869
2007	-2.993815068910436
2008	20.90136126554114
2009	4.400160688777504
2010	5.17403554878932
2011	40.267641386463254
2012	-19.99999824336858
2013	9.999997438245884
2014	-4.9999985028709375
2015	-3.0000014358430462
2016	3.0800007206293003
2017	2.7999960211707418
2018	-1.1999982828255753
2019	-6.500000551755804
2020	-8.799999734449088
2021	-9.550001918919222
2022	1.9000010194049963
2023	-36.50000074591036