Year	annual %
1961	5.534903475675151
1962	6.61444776877353
1963	5.873702116163145
1964	6.310747382574775
1965	7.4689885299438
1966	4.077909433981162
1967	7.544482528950283
1968	8.875509233766678
1969	2.1207411616964293
1970	9.113841959898878
1971	6.631652999638575
1972	8.015695701558869
1973	11.200672010790555
1974	1.1428593244949212
1975	-4.347630545043941
1976	6.900230413893112
1977	5.602597312962999
1978	2.815966152851672
1979	5.638937822701152
1980	4.5893399236838235
1981	1.618104215418441
1982	2.135375077592741
1983	-0.17311354825184821
1984	-1.8799790893465342
1985	2.8074388512947763
1986	4.140955679719923
1987	6.381394134903346
1988	7.489108289281404
1989	6.4406392402760275
1990	3.9505227632515414
1991	4.368206462673996
1992	1.089476408312322
1993	-2.043276531576936
1994	0.964837925343673
1995	4.2827804595035275
1996	3.504247069165274
1997	4.400867753812477
1998	4.80796297573329
1999	3.906577440025785
2000	3.816178063469792
2001	1.9436722958495949
2002	0.7709240242912188
2003	-0.9305211926230612
2004	1.788735681571211
2005	0.7818482159274396
2006	1.6250341762967366
2007	2.506579645517732
2008	0.3192479250630811
2009	-3.1220794203332076
2010	1.7376254759056593
2011	-1.6961647806150353
2012	-4.0572936076956125
2013	-0.9226446745278878
2014	0.7921903018753653
2015	1.7920460455598288
2016	2.019485395613117
2017	3.5063452848123973
2018	2.8493259343617865
2019	2.682759921180761
2020	-8.3005165411776
2021	5.737437218543391
2022	6.827510875940689
2023	2.2612547807312495