Year	annual %
1961	24.025591998823355
1962	19.78654017195375
1963	13.624888624888627
1964	3.2760460911803784
1965	6.392761478919285
1966	15.423043374831497
1967	21.338279747183293
1968	10.53957649190352
1969	11.359387404922273
1970	12.572874144770886
1971	15.750926975760732
1972	13.975591030630344
1973	23.512651367338723
1974	16.306010380883126
1975	13.798939289410143
1976	28.052742755922665
1977	28.543688602201446
1978	24.245772441237147
1979	12.441032410463055
1980	20.61516787978399
1981	17.420912608560528
1982	18.487343631387446
1983	52.99006828971334
1984	17.947658579006312
1985	12.454131232796025
1986	1.6890144804639844
1987	11.672523399172999
1988	23.26060012750992
1989	30.24139029193002
1990	22.398112055090937
1991	17.71649744142714
1992	13.109483215385985
1993	28.14577153827205
1994	26.73477784962055
1995	23.874140390550373
1996	23.731508063642924
1997	23.107655416302723
1998	8.566311267776864
1999	16.882184699321137
2000	8.120764926906624
2001	9.985692427480576
2002	9.96845059499668
2003	4.287276009672414
2004	10.723320128636216
2005	6.8422007098892905
2006	23.453614135033988
2007	9.605706455443643
2008	10.04090309034629
2009	8.63839150729624
2010	10.897082770600688
2011	5.306749762856609
2012	6.977796231858996
2013	29.329502551069016
2014	12.437500484562976
2015	9.195824605523919
2016	13.326273033800822
2017	11.423124947866135
2018	8.999145744784798
2019	9.843921639096688
2020	8.657732058856666
2021	7.9802684339455405
2022	7.8203392393223545