Year	annual %
1961	3.07710836861398
1962	3.07818937700637
1963	3.06922177101409
1964	3.05216794252653
1965	3.06970075855997
1966	3.16045024197935
1967	3.44096592146574
1968	3.64041769547383
1969	3.59840791673387
1970	3.53742529344441
1971	3.4945188469798
1972	3.46450079401031
1973	3.43886849836057
1974	3.43936972596991
1975	3.4132658056678
1976	3.25977699898335
1977	2.97617376167501
1978	2.80162501505894
1979	2.79293596104614
1980	2.79173597796862
1981	2.79013452587901
1982	2.78624243166408
1983	2.77830062478282
1984	2.76702971480744
1985	2.72308299682547
1986	2.63077168058707
1987	2.33110427748889
1988	2.02729486909569
1989	1.90578044649531
1990	1.78945956453694
1991	1.6818337468005
1992	1.57258523845161
1993	1.44078924292089
1994	1.32579415797881
1995	1.2191932944884
1996	1.08090758779064
1997	0.890150357476258
1998	0.659895306055731
1999	0.432375301790158
2000	0.219741612882212
2001	0.0421699997470092
2002	-0.0970226047692506
2003	-0.22573259882656
2004	-0.384374749020571
2005	-0.401735875452327
2006	-0.0325729277343265
2007	0.337605696087044
2008	0.580575262050289
2009	0.707013588718218
2010	0.673528482706333
2011	0.735394495013464
2012	0.832817872899488
2013	0.931108535565663
2014	1.02193622193702
2015	1.10491438799432
2016	1.18953362244047
2017	1.2397919001165
2018	1.25441313204544
2019	1.25167812193172
2020	1.26784087310275
2021	1.2062178802275
2022	1.06255709738439
2023	1.05662089697663