Year	annual %
1961	4.733727810650888
1962	12.617702448210924
1963	9.197324414715718
1964	11.791730474732006
1965	17.328767123287673
1966	11.85055458260362
1967	2.4008350730688934
1968	13.863404689092762
1969	18.979409131602505
1970	14.221218961625281
1971	10.638998682476943
1972	13.992259601071746
1973	21.911726299294855
1974	2.892030848329049
1975	12.513012700395587
1976	30.940044411547003
1977	20.873374788015827
1978	20.589266923886356
1979	8.890828000775645
1980	9.580625055649541
1981	8.92175184854148
1982	19.641924654979483
1983	17.0844244918319
1984	10.693364575567154
1985	-1.6405272779755606
1986	9.244314013206163
1987	22.36400268636669
1988	13.834613977314305
1989	13.332904760374145
1990	20.5763067585581
1991	18.57505762807546
1992	24.712860288429113
1993	11.398304410758879
1994	28.273006353965872
1995	28.887083129257757
1996	38.846329898866024
1997	61.15744008061406
1998	20.27410089433538
1999	19.407900862996335
2000	15.4162655524301
2001	24.323265657438053
2002	12.774467250758198
2003	12.142166727871489
2004	18.0710395954433
2005	17.326037491101083
2006	21.585811173512223
2007	16.624951100829062
2008	4.8586112142856575
2009	0.5665493546998716
2010	9.876541111320268
2011	12.399187479855506
2012	7.001230475744869
2013	8.27796395098632
2014	13.275132630546386
2015	7.852404298169613
2016	17.843984827499494
2017	12.436707468602453
2018	8.184469867891348
2019	10.712822884299342
2020	18.496019687329483
2021	9.095865459044255
2022	12.810515105759393
2023	11.141291608210473