Year	annual %
1961	2.5239220961769604
1962	4.880243675286408
1963	2.6714349174530128
1964	9.660978354856667
1965	4.453891664340134
1966	4.4421888998453625
1967	3.241890281561723
1968	4.236629235751906
1969	9.11139075397962
1970	9.728796548913124
1971	10.53919518428566
1972	13.385118032930208
1973	15.272583454608053
1974	6.087614078404883
1975	20.13334558292439
1976	21.02292465521711
1977	13.268598738692859
1978	10.526446797649712
1979	13.676060983167716
1980	14.704795920456377
1981	17.442549580708743
1982	15.182152520572217
1983	10.708880698269454
1984	6.379271693465043
1985	5.186329184412045
1986	6.549696309535918
1987	2.19740851204196
1988	3.2463123572466657
1989	5.52176590092688
1990	-0.729184240461521
1991	1.8013946939059196
1992	2.8122218740678164
1993	5.175752147443674
1994	1.6945308600453899
1995	3.033996620401851
1996	2.2922523792224325
1997	3.9292599950264844
1998	6.552780856817847
1999	4.376193390321205
2000	6.874950285940699
2001	6.859686060934877
2002	5.186903513259409
2003	3.911730084734529
2004	0.5153367383451837
2005	3.073211174342802
2006	3.4198976808365416
2007	1.198488061312304
2008	-0.5045256422392015
2009	-4.6245981552748106
2010	-2.889836297706225
2011	1.3497181548485742
2012	2.1082729746665763
2013	1.13326028645875
2014	0.18200739255802034
2015	8.300141347611032
2016	0.5838490826316871
2017	1.2510834681650067
2018	1.1200322362665105
2019	3.3554115226408214
2020	-1.2340426297853782
2021	0.47748255142940366
2022	6.582264283093835
2023	2.965219701464889