Year	annual %
1961	2.2865859333484053
1962	2.1867472650884565
1963	2.086510495673764
1964	2.0337992928511
1965	1.8897389148555988
1966	1.7958371611683361
1967	1.6922373427428141
1968	1.5844294957734206
1969	1.533231746180519
1970	1.5939480902735141
1971	1.5086904042845362
1972	1.0814762504320896
1973	0.9818131308159508
1974	0.9619530444624331
1975	1.0341538742381147
1976	0.9892145311352749
1977	1.0448308882805293
1978	1.074993403549442
1979	1.1156986376981592
1980	1.0596256260712948
1981	1.2054467690468869
1982	1.190136062782571
1983	1.1338621696720423
1984	1.0821971512707194
1985	1.09705114625109
1986	1.137913281665277
1987	1.1246252273817703
1988	1.1350265474217451
1989	1.2162461458659948
1990	1.4327683007124676
1991	1.825040785373261
1992	1.8875478590306898
1993	1.8080445136262426
1994	1.7155836733505794
1995	1.6685516575114718
1996	1.640687479158359
1997	1.6766981943250272
1998	1.6187869334760592
1999	1.593665895338603
2000	1.5125552528038781
2001	1.2496702581350263
2002	1.158317490484805
2003	1.0760721361825887
2004	1.1389294137190973
2005	1.1329995754005182
2006	1.1797094373599606
2007	1.1732466865854434
2008	1.178103671908076
2009	1.1193009300349388
2010	1.0700640193973072
2011	0.9667850318853368
2012	0.9725081389279069
2013	0.9376168950086452
2014	0.9730710476875117
2015	0.9554736868870606
2016	0.9849661115846118
2017	0.9140561008056096
2018	0.845341231892931
2019	0.7906241650273529
2020	1.220892186504102
2021	0.43668453000694285
2022	0.7588302193044996
2023	0.9953150673256346
