Year	annual %
1961	0.03627668638344517
1962	0.2865041335245593
1963	1.5257202966643604
1964	1.9000000047953733
1965	2.2316014186618105
1966	7.360654374882941
1967	8.557463493268997
1968	5.249288001531056
1969	4.937539644022124
1970	5.651362943763516
1971	3.413529528745812
1972	7.132566428960757
1973	19.7375060864035
1974	8.920026897532438
1975	2.2693125052702783
1976	19.718063396656532
1977	7.437825157039441
1978	-2.0304731402475085
1979	16.099842045489552
1980	7.091315072002175
1981	-1.3036023608364218
1982	3.678801546165758
1983	18.659960358785384
1984	7.438292908189894
1985	1.620138341237265
1986	1.356869087636639
1987	7.971599960060203
1988	7.924236984849188
1989	-2.540653147468376
1990	4.1382315864978665
1991	6.994854891057798
1992	2.875981286851186
1993	-2.495802465214595
1994	7.253088482422342
1995	15.851330793603438
1996	1.8118781249523863
1997	8.426361581978071
1998	14.543854014562086
1999	11.06889420822219
2000	13.102418040597755
2001	6.913914005962212
2002	12.290431479329627
2003	5.53933744651502
2004	-1.9923719016308894
2005	12.18237925820371
2006	60.51428595222859
2007	2.7952518857007362
2008	11.66544132227223
2009	-4.87930996849984
2010	9.917161123419802
2011	8.833168224224707
2012	-0.5747194871837564
2013	3.5869353889672624
2014	5.4373926541278195
2015	-1.23111841681596
2016	2.5178459360124066
2017	7.69953503846061
2018	9.797605660695453
2019	1.0641428374179753
2020	1.6326212285270572
2021	11.914606437621899
2022	15.445402342483106
2023	-2.5150286792562326