Year	annual %
1961	2.6476252392211137
1962	4.766422313093216
1963	3.3926984634500457
1964	4.72213271659254
1965	4.774634855410298
1966	3.977081717894393
1967	2.964975425928813
1968	4.423876852756209
1969	4.195537621929816
1970	12.874569223442052
1971	6.383114757264252
1972	5.5174897368742535
1973	8.684565000736313
1974	11.372042270200808
1975	8.885154374262811
1976	7.840574493693225
1977	8.169734277012907
1978	6.260494910408298
1979	5.702600513634934
1980	13.126499979221776
1981	12.879146874513964
1982	10.509972613903713
1983	6.96215826330841
1984	6.210061865993822
1985	5.197922644773627
1986	-0.5507994708612927
1987	7.221254681590096
1988	4.868460585282492
1989	5.612267992711722
1990	3.8115722033833066
1991	2.2118006623985877
1992	-0.639759770603149
1993	2.292920318030056
1994	-0.15599774778362985
1995	3.061469495638775
1996	4.261495618468601
1997	2.7857106919765044
1998	-0.6925922766440493
1999	6.6230229377269865
2000	15.333309961994175
2001	1.7126402564371546
2002	-1.5202067160627593
2003	2.860823286137233
2004	5.850205821466531
2005	8.763004141462517
2006	8.73218824235802
2007	3.0776620041022937
2008	10.566383034385353
2009	-5.115944008381291
2010	5.955361337970871
2011	6.672790001914407
2012	3.3530893008988585
2013	2.553238917333701
2014	0.258332848947191
2015	-2.8044681217138816
2016	-1.5980971635243861
2017	4.080949341229314
2018	6.742957246992873
2019	-0.5484674157558089
2020	-2.5172605905333256
2021	20.21347548381351
2022	28.161824383071718
2023	-10.612530457355291