Year	annual %
1961	1.3614749710282155
1962	4.363860464136948
1963	7.962147707605411
1964	5.215265574883858
1965	5.741022305874097
1966	-0.2062026138647184
1967	-7.806012081359711
1968	2.355162216658343
1969	15.77254739547837
1970	17.964197122486397
1971	10.61410842022164
1972	4.081386799164704
1973	5.724375670533789
1974	8.555950097579654
1975	-1.9945382816281239
1976	6.330230364153493
1977	5.218984251388463
1978	-0.48911511405006536
1979	5.934389174186009
1980	5.610598307432539
1981	-4.079395579883865
1982	-1.0201291401435242
1983	-2.8748434442372286
1984	1.7154783649602479
1985	6.1405996580164555
1986	2.963894819112056
1987	3.9128264826590424
1988	6.423939540345685
1989	3.153361358806123
1990	6.512686934435379
1991	2.03288298693154
1992	3.0962324910793484
1993	-0.1713633093490614
1994	0.9179166181099561
1995	2.041879671503665
1996	4.6192484617645135
1997	2.0020170424401016
1998	2.698880040503937
1999	2.1106145474892486
2000	3.785198515686531
2001	4.358374988023229
2002	6.969005936916361
2003	5.019643574746354
2004	7.581851472841251
2005	6.213136260252128
2006	5.854095656362716
2007	5.614315208038917
2008	4.150422798233919
2009	5.9769997223164495
2010	5.933594357737974
2011	4.5919224618673695
2012	4.381887918208591
2013	5.515221103362549
2014	5.607324950840592
2015	3.7404710036762907
2016	2.0873297726173234
2017	2.555791797194189
2018	3.8482920403246794
2019	2.77073135741783
2020	-1.4157429175833585
2021	5.164294108992749
2022	4.215491032458104
2023	2.526256901492971