Year	annual %
1961	3.969727786850612
1962	5.31900413831066
1963	5.018764070065629
1964	6.58320452654894
1965	5.595768086236447
1966	5.438370866925268
1967	3.7355332429000185
1968	5.925679638545731
1969	5.978931918300276
1970	3.7357035238841974
1971	4.307159040847381
1972	5.637430546319351
1973	6.40815976260896
1974	1.9142989053137995
1975	0.5266721636850491
1976	5.2142618020302365
1977	4.0184308561348985
1978	4.089214087553444
1979	4.182371470764849
1980	1.881559195723085
1981	1.926416031181816
1982	0.2965374965952776
1983	2.5861988950201606
1984	4.674320818581165
1985	3.7028043281234204
1986	3.3513575027396882
1987	3.72462650916718
1988	4.591726238664592
1989	3.7171841600200963
1990	2.7645411219591693
1991	1.2558263917210866
1992	2.019256603798155
1993	1.812976007554596
1994	3.323942442593662
1995	3.0846145801455123
1996	3.574686426673594
1997	3.9297138608735054
1998	2.8539253442695554
1999	3.5497173529661694
2000	4.53109478934492
2001	2.0254028690495147
2002	2.3028369888681794
2003	3.104275673462297
2004	4.469258854765215
2005	4.005865910280278
2006	4.442792696062384
2007	4.373276690002314
2008	2.062495932925671
2009	-1.3557820906076188
2010	4.529545972883426
2011	3.327132696622755
2012	2.709115158350727
2013	2.8682221428291825
2014	3.123869910482597
2015	3.126135587712014
2016	2.8205572850704925
2017	3.4602391178898415
2018	3.2866129884791917
2019	2.6422164351932054
2020	-2.932043344059238
2021	6.259851284471594
2022	3.0896074644474254
2023	2.7193333664095434