Year	annual %
1961	-0.8587158709261615
1962	7.742924928045227
1963	0.6587400706774957
1964	-5.274696962670305
1965	-0.7082775175102967
1966	1.2898061645923349
1967	5.151579960264058
1968	10.165532816696228
1969	-0.9998980480597055
1970	-2.833027458592724
1971	1.2940581115554721
1972	1.7062170092011257
1973	1.200189476179034
1974	2.642447236936192
1975	8.649028174679401
1976	4.188927190577957
1977	5.1684377396698835
1978	4.434287595270135
1979	3.6772046888950314
1980	-5.075797090650113
1981	0.0826847782382032
1982	4.033775145515662
1983	5.817806867626501
1984	1.8320737227814732
1985	1.3965241829834127
1986	9.405634375131683
1987	0.04199737055682817
1988	7.308929839546693
1989	3.0630603696552896
1990	1.1491017597325026
1991	12.384580607914074
1992	-1.9092659618093393
1993	-3.0476959947215505
1994	11.072590771272601
1995	-5.417406833874978
1996	11.842717828499659
1997	-5.60743050085911
1998	4.237385458615293
1999	0.27889814303702565
2000	0.4669873981224555
2001	-0.14172972640166392
2002	2.157998250647026
2003	4.694482138348917
2004	3.1317926924427013
2005	1.9392227271545863
2006	5.073710346686283
2007	3.202436033651864
2008	6.139578402318847
2009	2.6708018446381203
2010	2.6809982403475345
2011	4.062834777816079
2012	2.721919372024658
2013	1.771051720838841
2014	1.7727031890982374
2015	1.1299245120789578
2016	0.6332772814855616
2017	2.458424228316659
2018	1.3580791925142677
2019	1.0953289921516784
2020	-6.606041093075632
2021	5.9108759955240515
2022	-1.5988590027015448