Year	annual %
1960	1.53661234295201
1961	2.077138331378615
1962	3.5198845401880647
1963	2.8740314034921903
1964	3.33462462892781
1965	3.66648280262594
1966	3.844656543498885
1967	3.63487515335757
1968	3.72079328019141
1969	3.27868852459016
1970	4.96831987329335
1971	6.13810741687984
1972	6.06300309718187
1973	8.09443961602797
1974	13.16360261207955
1975	11.687575365504099
1976	9.26775457576898
1977	9.29919719175366
1978	8.0832988258853
1979	9.04920959425409
1980	11.94997166261445
1981	11.7673874344181
1982	9.470989320524135
1983	7.31048579668418
1984	6.19476379545977
1985	4.77374272340097
1986	3.159097294519305
1987	4.066511159441105
1988	4.686201837530405
1989	5.7159915513563
1990	6.09844414810204
1991	5.62586408593005
1992	4.03703020778739
1993	4.14481954180488
1994	2.95340936761079
1995	3.75494413677554
1996	2.61538461538461
1997	2.20114313510882
1998	1.8343299990841
1999	1.611761176286595
2000	2.57987611218614
2001	2.656910939293155
2002	1.998749211493515
2003	2.02168542857986
2004	2.07924464636088
2005	2.3753195897788
2006	2.45792444195865
2007	2.32761128891476
2008	4.15279708110293
2009	0.839262246793887
2010	1.99621236745886
2011	3.3298532335065
2012	2.48567562177015
2013	1.423439482085295
2014	0.9414145400669625
2015	0.41004049800846754
2016	0.6250499230845115
2017	1.7626493189223802
2018	1.79471185151841
2019	1.62507725469196
2020	0.638544956776712
2021	2.51837109614213
2022	7.83269124233323
2023	5.09396758978883