Year	annual %
1961	2.029906579987369
1962	2.052463010010811
1963	2.0333083775532685
1964	1.9973345027773917
1965	1.9510486331034684
1966	1.8495372971591166
1967	1.7965180627459176
1968	1.7364893433303052
1969	1.676756514526943
1970	1.6216423022042363
1971	1.7263866635522902
1972	1.4941284542756819
1973	1.4140448596115789
1974	1.3708099412163222
1975	1.2851901467624316
1976	1.0949820474556873
1977	1.06156479629405
1978	1.0628027156810873
1979	1.0902463802598987
1980	1.056011390984196
1981	1.0660375307780328
1982	0.9427417234981021
1983	0.8636888746262485
1984	0.8040175249986987
1985	0.7924260279329189
1986	0.8562429695595455
1987	0.9197714015952272
1988	0.9216852765200798
1989	0.9124722890304895
1990	0.9412304747085614
1991	1.0844282652778787
1992	1.0409568476049174
1993	0.9900743165702153
1994	0.9201955441789522
1995	0.8749351321736469
1996	0.8645222989606793
1997	0.8193992265668584
1998	0.7880693762572832
1999	0.7746093249589165
2000	0.7854719780252282
2001	0.9331515237737307
2002	1.0329866570970978
2003	1.0031829886907104
2004	1.0002566001342785
2005	0.969448987895305
2006	0.9641236753144682
2007	0.985534465114867
2008	0.9888289760396844
2009	0.8799920123452125
2010	0.8150825806642246
2011	0.5367546230831834
2012	0.6355487792171459
2013	0.6475564790537192
2014	0.6646350468909645
2015	0.663965202755918
2016	0.6718790120093132
2017	0.6040461517303299
2018	0.5816527750535272
2019	0.5264137423934443
2020	0.602762522468467
2021	0.1522951469008973
2022	0.10629795899052397
2023	0.7151367986743367