Year	annual %
1961	3.1342547312386273
1962	1.630246834276626
1963	3.0089253319856155
1964	3.701960383305398
1965	2.8377927320637824
1966	3.928524398612929
1967	1.332998867350966
1968	2.7122276448570517
1969	4.539806778808675
1970	3.7850036465983763
1971	3.5141465593571652
1972	5.565533865948524
1973	10.318872345844092
1974	14.489257682053207
1975	11.28697486432197
1976	10.109539702279655
1977	10.579939487056734
1978	8.861030683914485
1979	11.455004116218916
1980	12.864627339475433
1981	10.625287024999317
1982	10.839255799909203
1983	10.817400274057889
1984	11.717493387168503
1985	8.930830009156551
1986	8.022560895143187
1987	9.39994796567774
1988	8.957951870985468
1989	9.769009372536615
1990	10.583630703006364
1991	8.564279003866687
1992	6.961282006974386
1993	11.297973858390549
1994	23.249480757328172
1995	11.043789851394052
1996	9.074834888785134
1997	5.055345931060856
1998	6.963579516523268
1999	7.61207827777595
2000	8.506601078345597
2001	6.232012515473116
2002	3.6131613542673904
2003	5.946834789323447
2004	7.765278534605798
2005	7.501710130842014
2006	7.461344539657773
2007	7.036661074582156
2008	10.129115720623133
2009	3.360372570240905
2010	5.640971249553985
2011	9.195473165083428
2012	5.387257117561383
2013	4.2318417345034405
2014	3.088390727497888
2015	2.9278993647316653
2016	4.56511461778215
2017	4.0012517159815815
2018	4.104161749842497
2019	2.6635971589389555
2020	3.5366053190251705
2021	5.25930512123071
2022	8.486590755378067
2023	6.511464881460469