Year	annual %
1961	12.16931737165423
1962	3.773652831936559
1963	4.9996942708474705
1964	14.286011263053041
1965	15.459712706293487
1966	9.40871910066896
1967	5.500371557666824
1968	5.023691852487119
1969	10.83086834410092
1970	2.524302645281182
1971	0
1972	7.625157546845003
1973	3.8374840024307133
1974	4.832849118524038
1975	2.4405411835412423
1976	-2.051522587126726
1977	6.959085372963727
1978	11.045434507345476
1979	-5.167742645519738
1980	14.576956109649927
1981	-3.315186077568981
1982	-3.5824025462846123
1983	-5.41400778466911
1984	5.555555041167736
1985	5.555552163534287
1986	1.5865043145892486
1987	0.5101621806529835
1988	6.642369770310765
1989	4.06002168354857
1990	-0.24365613446167345
1991	-0.6999674937780327
1992	-3.9806868137453364
1993	-15.095827485871965
1994	14.982414350239125
1995	7.845832319103835
1996	8.836211631513919
1997	14.377377570583661
1998	-2.299876567846013
1999	2.481751435849077
2000	-0.7834796063901308
2001	0.8234387487811006
2002	3.826622579623006
2003	6.720171423011749
2004	-0.978665335392563
2005	-4.666299382419098
2006	2.650132099531305
2007	-1.1751203909521735
2008	4.0356452727735075
2009	5.453823994319421
2010	5.854352692845993
2011	5.823252238940668
2012	6.302695419874581
2013	5.8242658339949145
2014	5.633240216513087
2015	5.46803129300622
2016	4.214895609184893
2017	4.008133261623044
2018	4.795060270323702
2019	4.922925916859725
2020	1.9921550187034427
2021	5.990876103923142
2022	5.759542515217333
2023	6.407922156362417