Year	annual % growth
1961	1.7881487653261843
1962	10.645399383346188
1963	3.2919288198650634
1964	-2.890453045393187
1965	1.8839594570538196
1966	4.012509385046798
1967	8.018830661546872
1968	13.162985515508723
1969	1.6678936285942143
1970	-0.21589978500665552
1971	3.9685091669187784
1972	4.31196291851235
1973	3.751617511451741
1974	5.193410978044682
1975	11.293994358464772
1976	6.75786198008781
1977	7.900334289250182
1978	7.214330593043371
1979	6.447647974593252
1980	-2.4999585717504544
1981	2.8082666142076107
1982	6.826315495162376
1983	8.58740103382911
1984	4.3761340671705256
1985	3.8127141467469983
1986	11.813917470592102
1987	2.0492167630181655
1988	9.35211476966846
1989	4.932222539153315
1990	2.931187905655676
1991	14.305535680203633
1992	-0.28012354844044296
1993	-1.488866665299156
1994	12.781717512441375
1995	-3.9650226501389056
1996	13.559262138886169
1997	-4.184371779285598
1998	5.773651730644772
1999	1.7019667287578244
2000	1.8467600894295657
2001	1.2063010955629494
2002	3.505408622387179
2003	6.01460005707672
2004	4.459263533342323
2005	3.325506267912175
2006	6.492823626847823
2007	4.573713891683795
2008	7.540164817727529
2009	4.026320030138137
2010	4.065379427456634
2011	5.502409958347144
2012	4.155295873567326
2013	3.1807707495285342
2014	3.139908062545686
2015	2.427795206830737
2016	1.8933604532321908
2017	3.7077654765475643
2018	2.51772193838093
2019	2.176243742474469
2020	-5.603462833693769
2021	7.039702663262503
2022	-0.5774744325095611
2023	1.0158334333288508
