Year	annual %
1961	3.5727874557672408
1962	3.9790294374339084
1963	1.7918653309029224
1964	6.265181387705425
1965	7.947756844152607
1966	3.5166366936349505
1967	1.7782782036846072
1968	2.0438575175476927
1969	5.798543917506919
1970	8.25384818386992
1971	3.7827831070486297
1972	3.159572245899753
1973	4.079702178500625
1974	0.3142044128486816
1975	-3.0488512012870217
1976	-5.464734468983906
1977	-1.2988206351801779
1978	6.289902153791189
1979	-0.25305987152921716
1980	-4.282248197231155
1981	-2.2977657996846688
1982	-1.7001993606215393
1983	1.085603533762594
1984	-2.4450399163566203
1985	1.794622344984731
1986	2.4542126455155966
1987	0.5603689899895272
1988	0.6912241442308868
1989	-3.631575930336851
1990	-5.54315589190692
1991	6.0877531386425545
1992	9.84052049510315
1993	13.934696660686868
1994	2.131881466966078
1995	-6.762898492030473
1996	3.919127957436828
1997	-7.285725907442014
1998	-7.10968514444869
1999	-1.6387689309845257
2000	-5.803412967986105
2001	-3.4548270010114237
2002	-3.4477491652008325
2003	-1.163395422710849
2004	-0.5790365271139137
2005	2.9795655117853244
2006	2.1195411594555225
2007	4.499463701353477
2008	-3.326428164008874
2009	3.594445214179487
2010	6.869897320808562
2011	-1.785403721643405
2012	1.7897666004851516
2013	1.0663717658258065
2014	10.612317702636261
2015	3.902031266218728
2016	2.9173431022807534
2017	1.0853121687201224
2018	-2.571319961444175
2019	2.1454633863509827
2020	-5.224817586236213
2021	-2.772782439100368
2022	3.1620188802351237
2023	0.8191020706882739