Year	annual % growth
1971	5.100492732866655
1972	8.299967933455335
1973	7.799797644219254
1974	5.099778255227648
1975	1.8002039677148076
1976	5.600027552451124
1977	1.4999082225028104
1978	0.9003506108524704
1979	1.299781490675528
1980	2.0657506387530447
1981	-0.9991081376064557
1982	0.040096955748623486
1983	0.3888355237714194
1984	-0.1991091438829784
1985	2.283413410994399
1986	3.4027530725295776
1987	5.952281542535999
1988	4.891369805472195
1989	5.4266342116607404
1990	3.5105003808859863
1991	2.8867576173951477
1992	2.173510667605626
1993	-1.9026407224606459
1994	1.0844630172989014
1995	1.7135730890344547
1996	2.4511081552315943
1997	2.8288955705710634
1998	4.408452626729684
1999	4.798158278554226
2000	4.436379088203239
2001	3.875764990453362
2002	3.076414455302867
2003	2.365957268786218
2004	4.057202018894785
2005	4.133187579981595
2006	3.984850746855045
2007	3.394328479111124
2008	-0.7020369742396326
2009	-3.592704191807158
2010	0.3693456825184569
2011	-2.461965343243662
2012	-3.318272489499776
2013	-2.8875578519795937
2014	1.6893659645083687
2015	2.947542435038585
2016	2.693525225518272
2017	3.023996044438263
2018	1.6947601914329056
2019	1.081761080492754
2020	-12.259190307501072
2021	7.064013622183936
2022	4.706664409422643
2023	1.7777757999991195