Year	annual % growth
1966	6.85044370457706
1967	4.748088788084331
1968	8.17514521131561
1969	8.743132636255766
1970	6.118625074379594
1971	7.131086558388304
1972	8.690035961661579
1973	9.526319357255659
1974	6.286085003726583
1975	1.8128430422671187
1976	5.887101206076366
1977	3.592876627639569
1978	4.045897831099609
1979	7.706441641904547
1980	5.802778556052985
1981	-3.707542871727881
1982	-2.204457609834236
1983	-4.37075421766788
1984	4.936423498160323
1985	3.8871251466734407
1986	4.933143845730555
1987	2.4468554658743926
1988	-1.1902409761024586
1989	2.6236040295602123
1990	-1.636354496924838
1991	2.857302292680288
1992	1.7099179794469563
1993	3.304657147461839
1994	4.679059053013731
1995	-1.403068027868784
1996	3.9211932695785805
1997	6.15438774044668
1998	2.1899386247714148
1999	-1.2459418966539744
2000	5.255185922020161
2001	-1.215361133044695
2002	-1.177609776875002
2003	2.8003236029444025
2004	6.244372539743125
2005	3.3391878100871537
2006	4.307291569893692
2007	4.071466354659876
2008	2.066292749981784
2009	-8.09727063416878
2010	7.661492777433949
2011	4.082740393886013
2012	0.8786564859260153
2013	1.5552437829250607
2014	-0.41908788418577103
2015	-0.8682219255305483
2016	-1.2863907228392009
2017	2.1455530485617658
2018	1.1569093047201164
2019	-0.7356013055528194
2020	-7.243423373488994
2021	9.061253979305462
2022	3.5023645871633704
2023	-0.6096013951562043