Year	annual % growth
1961	3.3035445344142573
1962	-4.296267495622146
1963	3.1078610602180277
1964	6.451930651869304
1965	2.3873415390627883
1966	-2.255601211721128
1967	14.387050093037558
1968	0.8129557870621795
1969	3.519714959314001
1970	4.044795137074502
1971	17.902561189854225
1972	-3.4398299027582198
1973	-4.322931732755393
1974	-4.0363477925979225
1975	34.59716379106587
1976	4.493585909686942
1977	9.125907224133528
1978	9.252693700093275
1979	-3.429377593782064
1980	2.364540503932332
1981	-1.3535402389053957
1982	0.025092564968716147
1983	-15.367999398854224
1984	0.49410617289520076
1985	7.842837419086024
1986	5.113034628031059
1987	5.620184231821909
1988	-8.967646397266975
1989	1.6353884682864788
1990	-1.802151679591418
1991	1.214309489755209
1992	4.877699482661484
1993	-8.836561791262042
1994	7.7432769493820786
1995	-2.6692507710291693
1996	-4.783290482734543
1997	11.255318674305641
1998	10.914331868603838
1999	-30.14058750170281
2000	11.14364117907813
2001	31.318171636481708
2002	19.336559445154933
2003	-24.248272183236324
2004	2.513055069073772
2005	23.595930535058528
2006	11.895809543173328
2007	4.804698734094615
2008	33.844960388300564
2009	-10.527980739608239
2010	12.842279043285743
2011	9.722011226724888
2012	-5.588310685362757
2013	16.368256946072933
2014	4.746586355932521
2015	-14.851905019387033
2016	-47.64532120123688
2017	95.6063629300973
2018	-1.0187098847360545
2019	-7.261761322335332
2020	-25.335894069247132
2021	30.39243044121801
2022	9.682294116649317
2023	-0.31881751535168235