Year	annual % growth
1971	3.644561310038469
1972	9.569077593537827
1973	18.5865083498105
1974	4.416433878319765
1975	-9.082391342028657
1976	12.385511350582817
1977	4.770925128119387
1978	2.6683090674880674
1979	8.955893099010083
1980	-1.9209934537007314
1981	-1.935203682610691
1982	1.3547452364904444
1983	-1.2322308310576915
1984	6.392519683371134
1985	0.40725815469195936
1986	4.588902142692859
1987	6.752892324101126
1988	10.420156707633637
1989	9.693495479724419
1990	4.868733292996225
1991	2.8592232983774863
1992	4.117064130458601
1993	-0.3608452198678691
1994	7.280409182816143
1995	4.651707992409527
1996	5.554105542039096
1997	8.202305688923346
1998	5.0581445756706245
1999	3.3732852380171607
2000	13.015505273548314
2001	-0.7554737815652146
2002	1.0559758655636529
2003	1.4594757473930002
2004	6.306671613472403
2005	6.426575906448932
2006	5.141851248494973
2007	5.579332627364295
2008	3.8050049362641687
2009	-10.858888717663532
2010	9.687970263893703
2011	5.625029754047645
2012	-0.6748047511881481
2013	-0.213858262952499
2014	5.528272668863465
2015	3.913671554280924
2016	7.451584446200954
2017	5.219110727644164
2018	1.9769009582178683
2019	1.9567248007306972
2020	-7.360843334532433
2021	13.033335872066317
2022	4.895522540434442
2023	-2.618397617448693