Year	annual %
1961	3.664041360056857
1962	4.061157894872653
1963	4.888635963869968
1964	5.356082548076954
1965	5.671257332187339
1966	3.6706023460369392
1967	1.5327864986331903
1968	2.8061831658262713
1969	3.4389134229886045
1970	2.353764422360864
1971	1.7112239604459547
1972	1.5372530231367478
1973	1.5425952829491698
1974	1.5050688761559532
1975	1.4410882479887417
1976	1.4753800885924975
1977	1.8309320042033377
1978	1.3349550805385861
1979	0.5949644046197169
1980	0.6438495403888485
1981	0.7307875404320998
1982	-0.24734764937797107
1983	2.064056764707214
1984	3.672782298759192
1985	2.2874826333149882
1986	2.5417045210961375
1987	2.6844143421039446
1988	2.9584295805252308
1989	3.0993314436252675
1990	3.0895390013596993
1991	3.1182013503177437
1992	2.2665839765428863
1993	0.9530899953147465
1994	0.4682935387268516
1995	0.40796559740222826
1996	0.28072231784079044
1997	0.17384590045739753
1998	0.13500484210610006
1999	0.05780346981756042
2000	-0.05780346981754987
2001	-0.135004842106104
2002	-0.11586368004672333
2003	-0.06764919320567672
2004	-0.08704483358247833
2005	-0.16462503112734603
2006	-0.23287415918953414
2007	-0.26263329137351027
2008	-0.23403228624301772
2009	-0.09767533497791797
2010	0.07814789886822279
2011	0.4092775153752985
2012	1.5535604589828862
2013	2.365518568965741
2014	2.2742960467295377
2015	2.2147797948257812
2016	2.2280118856986726
2017	2.1195481819038062
2018	2.050398019770737
2019	1.729341401050957
2020	1.4971441746166465
2021	1.5790225762761698
2022	1.2470871341130416
2023	0.8802320272995438