Year	annual %
1961	0.4114975109665693
1962	3.119210719349212
1963	4.490264123529684
1964	8.738525419071848
1965	7.6823894063423666
1966	6.259102881051987
1967	3.808848303317248
1968	6.9737522425725444
1969	8.350850207197595
1970	8.395368134143808
1971	6.672182179505668
1972	7.721857244013705
1973	7.753890283834949
1974	6.354210447354561
1975	4.542119123014629
1976	6.567669668276707
1977	4.311400907083069
1978	3.78116490517759
1979	5.565863802244905
1980	4.635840685865617
1981	1.8486638877261328
1982	3.0522259040013324
1983	1.4362853501524597
1984	5.36901065648992
1985	4.679082093903347
1986	3.6698996436774536
1987	4.943873148369747
1988	3.3768772668990152
1989	2.9783046029540685
1990	2.714026000420617
1991	3.073291374322224
1992	4.5184533472614845
1993	5.880825481805147
1994	5.518071477314919
1995	4.416984821896804
1996	6.198562756828579
1997	6.07505652549078
1998	2.9542410059589628
1999	3.2032482146505714
2000	5.9567870579618045
2001	3.4198573382731894
2002	4.787569658324699
2003	5.869696068601883
2004	7.856579991291966
2005	7.499816064112096
2006	8.600667975539352
2007	9.40870713382975
2008	6.2653733450197535
2009	3.469426753212474
2010	8.524987214940595
2011	6.941376611519587
2012	5.761103228624265
2013	5.635448933890075
2014	4.9353734007219145
2015	4.5460130732362956
2016	4.5777421282551245
2017	5.354743353146546
2018	4.903968915843905
2019	4.0901758392764265
2020	-0.5943937981856493
2021	7.722301874467121
2022	3.357154093178522
2023	4.346249275495495