Year	annual %
1961	6.971178467538479
1962	10.03112539928415
1963	29.003983793696364
1964	4.378578082843276
1965	13.98946970140858
1966	-12.17159707037986
1967	24.2954227493193
1968	-0.055244563390047574
1969	2.220413750566479
1970	3.0708444525628096
1971	5.7871118239956445
1972	5.4682200827740814
1973	13.82491719438734
1974	-17.52268477218881
1975	2.2270231632988953
1976	13.403532474328685
1977	8.439940264680047
1978	34.56665442561433
1979	-11.767271816927206
1980	-1.3348390627592437
1981	7.388918954744696
1982	-12.879989522360873
1983	19.39780614289222
1984	-10.924892483805507
1985	-8.293626485673471
1986	20.835732761813446
1987	-18.319300141230343
1988	-14.37032998233569
1989	31.810254974738456
1990	-5.65905991352696
1991	-4.547047246698071
1992	-4.935923188835261
1993	-3.4099661032189488
1994	-12.925181116209046
1995	-0.89676557387223
1996	-11.738253409118755
1997	-3.1845271791564898
1998	18.015953619880904
1999	3.1278625369289443
2000	1.8298004164382036
2001	-2.8637966177218885
2002	-0.5246053934246646
2003	-2.3885441930711124
2004	0.0015858261499346327
2005	2.0419472673884513
2006	3.0570653373046355
2007	0.4250850032371005
2008	0.043675381459934215
2009	1.612932370089652
2010	3.892380211907593
2011	3.502228003249357
2012	2.5078727956298223
2013	4.425805587471558
2014	2.072055154413306
2015	0.9356123182628693
2016	-0.528859996117788
2017	-2.1141303454334803
2018	-2.753536933042696
2019	-1.339727071312609
2020	-4.128274212309464
2021	-3.4786661647519708
2022	-2.3126810762522467
2023	-0.656309630309579