Year	annual %
1963	3.5897435897435894
1964	1.155115511551155
1965	0.3262642740619902
1966	5.040650406504065
1967	-2.1671826625387
1968	15.490506329113924
1969	17.180435676120016
1970	17.245410966912196
1971	22.287594734742722
1972	13.324635081138384
1973	6.397064114557098
1974	24.773434329771405
1975	72.6868664968291
1976	-3.854483819328918
1977	13.995625346870815
1978	11.738931210264047
1979	4.418586769829556
1980	48.94332490582617
1981	24.315683657217395
1982	30.49207275046701
1983	-1.4608179767857168
1984	15.171134020766974
1985	-0.08584267249095923
1986	-2.2202094425645558
1987	-11.295295390679474
1988	1.0825913607536102
1989	6.468592028987728
1990	28.63155086167513
1991	10.6685130979979
1992	18.71318415859474
1993	-3.1000360066470316
1994	47.9009214037502
1995	-1.8367837837088126
1996	13.025001453291221
1997	4.639931023225729
1998	-3.5607509460895366
1999	34.79132659345389
2000	25.964707504791306
2001	0.7392460369987816
2002	-11.848286901922094
2003	22.244089405271566
2004	-12.030645661948693
2005	16.860382171555898
2006	27.227205255117187
2007	18.892090884479728
2008	25.422253028252236
2009	8.01049584667733
2010	9.770146655320772
2011	9.38019563254556
2012	7.4603447814246815
2013	17.332673123381607
2014	18.351578930954815
2015	6.136451873944749
2016	0.17546891723684246
2017	1.0438886424422837
2018	4.79888678525398
2019	6.011527399853547
2020	17.301888980156942
2021	16.666481309120897
2022	13.011063264708083
2023	-0.3943397755238043