Year	annual %
1961	1.925411696249038
1962	1.9002323150110574
1963	1.9198537279461525
1964	1.90565624680578
1965	1.8708429351840867
1966	1.8247546830879633
1967	1.7684769330147423
1968	1.70701624805759
1969	1.6450651732390538
1970	1.681190069958453
1971	2.254843154997307
1972	2.217526730248874
1973	2.1623449551863674
1974	2.097877484075922
1975	2.0348647524169228
1976	1.9606824215253245
1977	1.897080626886638
1978	1.8346249840782103
1979	1.7949605767783359
1980	1.7558846908708219
1981	1.6421341541165215
1982	1.6335681999095857
1983	1.6300921588304513
1984	1.608873333141522
1985	1.574363182956326
1986	1.5346955240467826
1987	1.4988586674475293
1988	1.4571761383968047
1989	1.4128499943078727
1990	1.244785542019919
1991	0.2333108274251908
1992	0.16911487068754358
1993	0.13158099570660883
1994	0.08592328882345308
1995	0.04689212214708096
1996	0.004397757847853767
1997	-0.0275331488093984
1998	-0.07207949650484616
1999	-0.11390170009417473
2000	0.015071012258526813
2001	1.1619754953880246
2002	1.145011669454043
2003	1.1221716938860204
2004	1.1155294437169623
2005	1.1014734714616048
2006	1.0662371322202677
2007	1.0402281956089834
2008	1.0176524286074617
2009	0.991815099458029
2010	0.9641059362359058
2011	0.9237651625120056
2012	0.895022321916371
2013	0.8487038697050571
2014	0.7999723288920296
2015	0.7701035228221623
2016	0.7357499294386244
2017	0.6865481031850867
2018	0.6154205194840616
2019	0.512512639630891
2020	0.3334147496638891
2021	0.1661074275411632
2022	0.12952688463654471
2023	0.1311945724072936