Year	annual %
1961	10.390918354993602
1962	7.909267929653481
1963	7.042075229128983
1964	8.4752282487852
1965	17.035711520300794
1966	11.502407284828294
1967	11.252803096167526
1968	14.404182675473052
1969	15.516658908088957
1970	10.927601629655086
1971	13.70158299392206
1972	14.49901584863673
1973	7.441681612108653
1974	5.801050847820747
1975	-0.3262162407734195
1976	18.260435628160778
1977	-2.7735776916349835
1978	-12.84085667422876
1979	-12.020760254791952
1980	-21.599649351692292
1981	-5.6967872333387675
1982	23.17124553557923
1983	11.086716846873543
1984	-7.139850498900216
1985	1.8676499325072484
1986	-9.784905578017899
1987	-0.1721076876057026
1988	-6.081996619865592
1989	6.132115677180153
1990	13.594926443583859
1991	12.716148443070267
1992	3.2979819190609447
1993	-1.4710114826416145
1994	-1.6982861190413558
1995	2.4010445522492034
1996	6.35052601959309
1997	1.350399273715567
1998	2.080011780302925
1999	2.0026962330806697
2000	5.845527475873965
2001	2.3921727118029708
2002	8.078829279237738
2003	8.639298395652702
2004	4.336665983224179
2005	3.1898040813102284
2006	4.999795269359694
2007	8.155773518434643
2008	0.25085655251105266
2009	1.0073854628562202
2010	5.797938295902611
2011	2.645717920089581
2012	-3.747171398641399
2013	-1.5219792049416299
2014	4.984775067094944
2015	-1.4248849393749055
2016	8.815086642518196
2017	2.7585052457887542
2018	-1.8380075709303583
2019	-3.0705879849703024
2020	3.330288459265944
2021	4.719777731571639
2022	3.776631401529059
2023	4.952163169081402