Year	annual %
1961	2.3778294218080562
1962	2.3980796851520125
1963	2.435041072766235
1964	2.438830213242686
1965	2.3866764908339735
1966	2.3108130118369345
1967	2.2434502704458676
1968	2.19197642742237
1969	2.156787444279848
1970	2.1276211611514344
1971	2.9155459674822883
1972	2.9205835814174486
1973	2.7016839281371525
1974	2.5149486824096194
1975	2.324387970370892
1976	2.1343579500927023
1977	1.942487267002218
1978	1.7659770861036448
1979	1.6040458447561543
1980	1.4734423180741514
1981	1.492255334635061
1982	1.4220278537763453
1983	1.4946882026341701
1984	1.5313294175152565
1985	1.5335729467548294
1986	1.5462784750401672
1987	1.5743396674334647
1988	1.6243742858076455
1989	1.6320002650136105
1990	1.591607675575863
1991	1.2409601237810242
1992	0.8553914557988405
1993	0.7318670489572527
1994	0.6284856423497815
1995	0.5642657767682926
1996	0.532314742640867
1997	0.5772862779776968
1998	0.6405500762664876
1999	0.6408883092337487
2000	0.6330893658455325
2001	0.6072462514745068
2002	0.581186005219123
2003	0.47430093538046075
2004	0.35627611763996603
2005	0.30752263306011374
2006	0.25107100913687347
2007	0.20411046644506223
2008	0.1814035169250365
2009	0.17863073417810255
2010	0.18425587791783335
2011	0.1934617439347004
2012	0.21348554192424335
2013	0.16849034976918878
2014	0.1364894778957529
2015	0.11492939178297289
2016	0.06288214219719165
2017	0.011620555193697474
2018	0.005901441460309119
2019	-0.00856006868288057
2020	-0.03130148229650188
2021	-0.2661428488806823
2022	-0.25234463784072525
2023	-0.0008642235144840988