Year	annual % growth
1971	15.348485927710101
1972	16.71454846447149
1973	20.9917458577696
1974	13.256446053036996
1975	9.735090290124475
1976	7.027472280406329
1977	-1.170933214287615
1978	4.747597124785074
1979	3.8857932541181697
1980	-12.915780309714663
1981	-1.2795755283858625
1982	-4.746446667652606
1983	-16.254072530210934
1984	-0.1519694695806777
1985	2.821685437193139
1986	19.498981951112484
1987	19.948715898841172
1988	5.252929036093818
1989	13.967824688315673
1990	-26.28305814886248
1991	-11.458873547995353
1992	1.2602412148598603
1993	9.549702704354601
1994	13.33638781024176
1995	2.092942276130742
1996	1.1955211012097493
1997	8.41811438310802
1998	-0.16384078069661712
1999	-8.875302371185995
2000	4.813191583029436
2001	1.3044755140487467
2002	-1.4437748032610216
2003	-3.984512373435251
2004	8.486963404753013
2005	1.956301054825829
2006	6.660788312201248
2007	11.952407860559163
2008	12.286957915797643
2009	-2.133874789665498
2010	17.85392141361639
2011	6.834046414168384
2012	0.7787769655052728
2013	5.827201090558745
2014	-4.224068615191598
2015	-13.946500200860783
2016	-12.129826472680534
2017	-2.5573555669075034
2018	5.231758339700704
2019	4.026067467187062
2020	-1.7469613067516576
2021	12.907119093023042
2022	1.0894752243804504
2023	-3.004757162699889