Year	annual %
1961	10.926594841623015
1962	8.244736819974591
1963	8.538788799398006
1964	4.432130368290871
1965	9.16003626205395
1966	7.581401882848951
1967	8.552931178989724
1968	6.977388623735095
1969	8.441389168773995
1970	6.959226107799395
1971	9.616137578404675
1972	4.582812505252448
1973	5.364310217205343
1974	2.448319562465599
1975	1.7409194401264614
1976	1.6644613597297564
1977	1.094025890598843
1978	9.792643918166561
1979	4.5147510798511945
1980	13.084481729049145
1981	9.20680945357934
1982	5.348456438376644
1983	-4.491364346428966
1984	2.709473773058633
1985	4.942233651539922
1986	3.5677882281901674
1987	-1.809055481394978
1988	-13.379843782662462
1989	1.5622470054952373
1990	8.098993005732154
1991	9.419005777431096
1992	8.20168016089707
1993	5.455744356758402
1994	2.8501471006309202
1995	1.7516787932224247
1996	4.079702948795443
1997	6.460990340392755
1998	7.341500834251576
1999	3.917206707264299
2000	2.715373801935229
2001	0.5742731510950847
2002	2.2291493227180013
2003	4.205495905882614
2004	7.5220797202946414
2005	7.191279345292045
2006	8.652465685803065
2007	11.983985111973695
2008	9.855655108101686
2009	1.2429921268325899
2010	5.827993448155169
2011	11.313625969269793
2012	9.778490110599748
2013	6.903948109153475
2014	5.066422338795576
2015	5.733054309158518
2016	4.953211471485304
2017	5.591148874147095
2018	3.685429815949078
2019	3.2818749770670905
2020	-17.668332721853304
2021	15.835765045401985
2022	10.80936611817856
2023	7.316777416549414