Year	annual % growth
1971	1.9946216742616798
1972	-0.03934798827643249
1973	6.542276358669554
1974	-1.950786837126472
1975	-1.8916272208309977
1976	1.7270962156074319
1977	-1.5316458826011399
1978	2.5127808712138773
1979	2.6195049834494455
1980	-4.7492922173810115
1981	-8.731574523103632
1982	6.011469721175985
1983	5.045910189945474
1984	9.094373596100993
1985	4.169180561598139
1986	2.1947206773264014
1987	9.478215595120716
1988	14.84501985805224
1989	6.0977251795138585
1990	-2.210661171472921
1991	-6.328682362707255
1992	0.8991365902097641
1993	1.5592863993523167
1994	6.396447824620566
1995	4.739804912984312
1996	4.6662258044695335
1997	-1.4743389534081217
1998	5.755544659518378
1999	1.7226628571619642
2000	5.725805274794382
2001	1.9870573849728004
2002	1.9938158136510395
2003	2.5148841890320455
2004	2.6606047383964864
2005	4.115423652358459
2006	2.8788820976322285
2007	4.359942594697557
2008	-3.2303486127991476
2009	-12.27213988591977
2010	4.746403039637229
2011	0.10556275062020859
2012	1.5942150378848794
2013	3.249608293959966
2014	7.036150187755695
2015	7.146190735279106
2016	5.14101383595667
2017	3.502362647299776
2018	-0.4787968282312818
2019	2.1579133835015796
2020	-10.768583324165746
2021	7.443672487713073
2022	8.019976751255669
2023	2.186970011131635