Year	annual % growth
1961	0.6293599411353767
1962	0.6389849202362825
1963	4.394314995229536
1964	1.3168388139987144
1965	5.33738720748147
1966	3.1937839893243023
1967	6.014514687976558
1968	-0.32898494448915017
1969	7.657829224602011
1970	-1.111667136849377
1971	-6.793181953859232
1972	-5.648584533465069
1973	8.643388867200258
1974	-0.8880348069292552
1975	5.853699238805945
1976	3.3017990737986196
1977	7.332971972521918
1978	3.568337714965054
1979	-1.9466415714477705
1980	8.971776235924395
1981	3.4458806218492697
1982	3.295313820575757
1983	3.9593406181796382
1984	4.163731873921691
1985	3.528473961600497
1986	4.02355906287319
1987	3.7661702711463647
1988	3.0828990899588433
1989	3.303802578862488
1990	3.1512182093523364
1991	3.388203794293915
1992	4.2013214269621955
1993	3.8769054517705257
1994	4.050693692282707
1995	4.5936493891374255
1996	3.806840459989047
1997	4.086269220186708
1998	4.53984551684799
1999	4.448852113705797
2000	5.284413653002133
2001	5.37154926155246
2002	4.837153077612129
2003	4.97885115114542
2004	5.213099510043534
2005	6.195592441095954
2006	6.602113389455383
2007	6.485114125959953
2008	5.762382722874662
2009	5.079970246452191
2010	5.528829338452795
2011	6.216625876703532
2012	6.576056541330885
2013	5.5141562641192365
2014	5.624357478477123
2015	5.801061761772459
2016	6.2469007113492125
2017	6.37498795840834
2018	6.5536210828342405
2019	6.87981423117175
2020	3.9328627376918632
2021	5.732182068727255
2022	6.256653202441086
2023	5.371249517173709