Year	annual %
1961	5.0871537168198415
1962	3.340203214386591
1963	3.678266120518785
1964	3.1837882191050824
1965	5.321415448713424
1966	3.122366081155832
1967	3.247762568008028
1968	2.8380319513881886
1969	2.7335728768381102
1970	4.7420975375180205
1971	6.204374575209684
1972	7.5999315953600615
1973	8.045541911158253
1974	9.502139513661916
1975	6.457775892112608
1976	5.62491943497632
1977	5.198712147767608
1978	5.993016615927218
1979	4.114371171221293
1980	5.580629168474843
1981	6.716667662323388
1982	5.355289417258646
1983	3.4727833694529977
1984	4.949773408216544
1985	2.962995804260288
1986	2.95099701537751
1987	2.4369481876171903
1988	1.5268554423539626
1989	2.9647605557896526
1990	2.9996806093062247
1991	3.6418715311172605
1992	3.4790932945441853
1993	2.757084639289957
1994	2.524942618607966
1995	1.8139181927164287
1996	0.9862055024293852
1997	1.266995536664865
1998	0.44190522715183533
1999	0.25634969447565936
2000	1.3640409139639758
2001	1.9471053942433798
2002	1.1455956666631835
2003	1.3075525786001094
2004	1.7397188496034488
2005	2.5377941575443828
2006	1.8921610688270079
2007	2.221175867076468
2008	1.95632228093217
2009	1.889264177858749
2010	0.8730549621779318
2011	1.8334102445566316
2012	2.054235685084933
2013	1.623888069728082
2014	2.175707236823257
2015	2.3009786668052357
2016	1.8482946984384796
2017	1.0055341594591027
2018	1.8380644475573433
2019	1.607876229744008
2020	2.719495162239454
2021	2.068210098803064
2022	5.297283734120171
2023	7.606971369793982