Year	annual % growth
1971	0.8455360226108439
1972	5.369928464029641
1973	5.901603054756237
1974	2.6181633558520616
1975	0.14262605398998573
1976	0.6314148356598253
1977	-2.650810775657149
1978	4.598932089729416
1979	4.4739927928796135
1980	11.554947597954637
1981	7.922548874829388
1982	-8.677744674299959
1983	-14.154303571226578
1984	1.0160546557794277
1985	3.2678574054053655
1986	-12.571485988775095
1987	2.6762751804049856
1988	-3.972936153415489
1989	4.520305272729445
1990	5.406793445496547
1991	5.987953637727884
1992	2.655291415046676
1993	-2.9122138830063022
1994	5.681702937150575
1995	-12.96846734825374
1996	4.203814087650187
1997	9.032360180460316
1998	2.9955944114146433
1999	3.989813186813336
2000	2.9828467899557296
2001	-0.2757730343562912
2002	-1.4015614021674878
2003	-3.745317868951389
2004	1.5538660451128123
2005	-2.130869196775805
2006	5.324694023697887
2007	0.6260640308930192
2008	-2.421821580640483
2009	-7.4543860076692425
2010	3.3948629032629896
2011	1.432472478098589
2012	0.7281593578913004
2013	-0.37189686471303673
2014	3.2744097500511486
2015	3.5338849857726444
2016	0.21964484588575317
2017	1.380925894994192
2018	0.25490071310201756
2019	0.36920727656972474
2020	-12.079058712321569
2021	1.9040359696107316