Year	annual %
1961	6.257481578665718
1962	0.022223495828626483
1963	5.164059021807347
1964	-8.743224624129653
1965	7.931704956588575
1966	6.296188834066399
1967	14.791963451542884
1968	-5.769584381065528
1969	11.82771580130462
1970	0.5103090486475992
1971	2.9632549321911625
1972	4.402019652013834
1973	61.40578327664724
1974	44.542716897864096
1975	80.56975640381455
1976	-17.630419292594198
1977	-3.210155928538555
1978	25.618885587234573
1979	12.564505989954938
1980	17.555067090090674
1981	9.894690311899538
1982	9.855812463351626
1983	8.487755878370834
1984	7.875566349086199
1985	18.495115699650484
1986	8.254404894270834
1987	11.119631168608393
1988	7.495835297096917
1989	8.337973249855366
1990	6.532735292255111
1991	2.729531995390772
1992	2.582161899910517
1993	0.15551817272397273
1994	3.9662163155599757
1995	7.144938703403952
1996	19.14321311282849
1997	3.8002322009131433
1998	4.736212561840716
1999	3.7810377366500205
2000	3.4466593491479784
2001	3.26116013222439
2002	3.892867435037701
2003	5.815816647896213
2004	4.562136379693598
2005	4.586360706418446
2006	5.875935811099382
2007	6.471260105025152
2008	7.860966093942622
2009	6.764354680918743
2010	7.144663028108411
2011	7.859450852724919
2012	8.164573676246349
2013	7.174953432324145
2014	5.6687885251390355
2015	5.872777041023227
2016	27.850737724833905
2017	5.047597582037142
2018	5.805538767045746
2019	3.6581375516217207
2020	3.841063385880261
2021	4.121174706795699
2022	5.0490218788313115
2023	6.897124040034413