Year	annual %
1961	1.8421101972826932
1962	1.4616280202165228
1963	4.561029241065896
1964	7.797369844974455
1965	3.0206795918724367
1966	2.2366258854016934
1967	4.4859072564825055
1968	5.819877952473092
1969	0.04795736525204575
1970	2.9486108488548552
1971	0.4994694665123802
1972	4.888516211105511
1973	4.865160876323316
1974	2.3256351400767983
1975	2.155933403863088
1976	0.9713844624209571
1977	0.22816548737054632
1978	5.658717661878157
1979	6.416840128545303
1980	5.6096664942774765
1981	6.3011470272717105
1982	-5.212077380716536
1983	-5.462838418864678
1984	2.052424623404221
1985	0.9854665221168233
1986	-6.394895497107029
1987	1.2645753570078568
1988	0.5360396950078439
1989	2.121650968816894
1990	3.7815307325441267
1991	2.514369240587939
1992	1.659256231802857
1993	1.3697727660948829
1994	2.2771578953151703
1995	-8.83135644844522
1996	4.685453713869862
1997	6.2256457799795015
1998	4.468221477336073
1999	1.402923106066666
2000	3.3968675494944875
2001	-1.718277066424207
2002	-1.2042446170813719
2003	-0.18669605923339816
2004	2.2837097303775664
2005	0.1039553161572968
2006	3.3227104258717333
2007	0.6461878384829163
2008	-0.05988292850750554
2009	-7.61355654310502
2010	4.04482067284701
2011	1.552861235139602
2012	1.508106254303513
2013	-1.2658981217994523
2014	1.7794115255227894
2015	1.3790515214981696
2016	0.5123018583497583
2017	0.8415897850653238
2018	0.9417425917380058
2019	-1.3734623363046268
2020	-9.628448842712217
2021	5.8606350475554905
2022	3.625986729269698
2023	2.2397998743636265