Year	annual % growth
1971	10.652882607844887
1972	7.018043859984218
1973	11.827952245409847
1974	-6.9741102006605615
1975	-7.431029391013752
1976	-4.222876660581804
1977	-0.07914254703328538
1978	1.06113251296442
1979	3.7699416633544445
1980	12.700575203225895
1981	-7.414031173020206
1982	-0.47167203760332654
1983	-11.764329802737066
1984	0.12240822213718161
1985	-9.507265858786155
1986	37.13868144687865
1987	17.74624561362586
1988	11.467879968996783
1989	6.900220126144191
1990	3.3749203164379082
1991	15.757994111354549
1992	-15.075230928733802
1993	20.59188304766832
1994	0.04283826277170988
1995	-1.517193860882088
1996	-2.2024423438273857
1997	10.05689886345263
1998	6.090306719035766
1999	21.767130243262315
2000	-3.1603286849522902
2001	6.712942399047989
2002	0.42886061393710406
2003	2.0989629076572953
2004	6.357396319753363
2005	-4.674350711400194
2006	4.2279064408341895
2007	12.249127785503774
2008	10.981681952326355
2009	-13.81435287347422
2010	0.5959184566507503
2011	17.45022521937571
2012	1.7376183729708998
2013	0.7383606744136557
2014	8.528831536442993
2015	-8.219284869958997
2016	2.7670427833129736
2017	5.343047461659964
2018	-7.262452381069721
2019	13.50398939208894
2020	-6.676006147914379
2021	16.940407088310508
2022	-7.749533410806478
2023	-0.979203095353256