Year	annual %
1961	1.789455744984508
1962	3.39092839540686
1963	3.6768587815881943
1964	1.652713092614789
1965	4.345048352830162
1966	5.817270512788113
1967	0.6737247062806944
1968	0.9708513218931216
1969	3.8643468368338034
1970	6.904562850399046
1971	3.588168432693422
1972	3.0243349510774067
1973	11.90087580758832
1974	22.804435069898574
1975	4.691046149221222
1976	9.927094452978366
1977	8.593907549367842
1978	6.79486762407042
1979	11.326522789661425
1980	47.76090795560256
1981	30.45685279448054
1982	31.906614785320386
1983	19.46902655105501
1984	9.720470853720457
1985	10.566050327174196
1986	14.492324376196052
1987	15.460832553854956
1988	26.337557140573708
1989	9.016788372535146
1990	11.858705769931419
1991	8.540182896623747
1992	14.56728513923558
1993	9.989916523762162
1994	38.99213057012474
1995	49.03611912684764
1996	19.760816386821276
1997	4.4919734241551765
1998	6.209969541968803
1999	7.18914294704696
2000	11.570352966941286
2001	7.916944838937297
2002	16.498525534896984
2003	-1.7040047987300682
2004	13.955801803389932
2005	18.3638246481935
2006	10.765637160438587
2007	10.287966315995007
2008	7.48630027641002
2009	6.929159085308001
2010	10.218541029330282
2011	10.386187135887496
2012	5.466174863333691
2013	5.452302454911802
2014	6.731770809517101
2015	6.503716691516104
2016	8.960080729920406
2017	4.961539756015426
2018	8.297993310948428
2019	6.522090640772788
2020	4.311145135834877
2021	6.640743416097749
2022	8.330903988542886
2023	8.951930640777505