Year	annual %
1961	-0.020234365249109487
1962	-1.1234771366712124
1963	-0.2389381449077348
1964	2.552644199850846
1965	2.1792227647728026
1966	5.010731972286237
1967	4.068095505268516
1968	2.117251129483492
1969	4.547644428176383
1970	3.916815714401494
1971	2.2435388783044914
1972	1.4820998146199145
1973	-4.831402662934821
1974	1.945710501449156
1975	-6.087349440452456
1976	2.4397072658153007
1977	-1.2624213592828113
1978	1.7786207532807197
1979	0.2528745164530193
1980	-6.907807911800276
1981	-4.965930538324983
1982	-5.192410884096034
1983	-4.759687484794981
1984	-5.035864792103268
1985	-3.7444512280758886
1986	-4.498623702881233
1987	-3.7802503289846072
1988	-4.739758328098162
1989	-28.655881746525452
1990	-44.429886239593785
1991	-2.2608859391439466
1992	-38.671641038486
1993	-35.49403379490016
1994	-21.48355520037481
1995	-5.03586332132538
1996	8.990316327543795
1997	90.75806067618035
1998	17.581925089651946
1999	15.172957169454008
2000	23.93009996825144
2001	-0.06290159393641659
2002	1.0863539953110006
2003	-30.701540264356865
2004	1.3948294090791507
2005	0.6439072927139051
2006	2.1317573441195066
2007	4.1879853451862346
2008	2.865766865857154
2009	2.0329352441046353
2010	3.06750127385169
2011	4.029352553861983
2012	4.239482810378007
2013	6.341040745436061
2014	-1.3504482696559847
2015	-2.0330298394358834
2016	-3.5164555097863257
2017	0.5213663319567843
2018	-0.7615548203515061
2019	-4.343455886406659
2020	-4.933202273083879
2021	2.847282103148572
2022	2.64846977116963
2023	2.4751811830793713