Year	annual %
1961	-1.7523286580309816
1962	-1.961145637982507
1963	-2.1503907384061534
1964	-2.2724820105815358
1965	-2.4753822660537237
1966	-2.1077815889972653
1967	-1.7987424984583955
1968	-1.7829183695078892
1969	-1.7840920455305807
1970	-1.9647540272628434
1971	-1.6972847154783655
1972	-1.8315463915973753
1973	-1.8144140430767595
1974	-1.713685469123147
1975	-1.9452583033133921
1976	-1.864579155757037
1977	-1.67975018976185
1978	-2.1264045097452575
1979	-2.133801347377039
1980	-1.9031846675466573
1981	-1.0028013873702935
1982	-1.0529188173605424
1983	-1.1121479439097286
1984	-1.1381459451302094
1985	-1.378540409218524
1986	-1.188306569660481
1987	-0.849216170623109
1988	-0.8911113039239671
1989	-2.1748053623554484
1990	-2.815798938206457
1991	-2.006765294574683
1992	-2.0976106998775803
1993	-1.6328591467412297
1994	-1.0368590177853318
1995	-1.1413179239291047
1996	-1.2165566719691219
1997	-1.311411561380048
1998	-1.3717134094478305
1999	-1.2700644014564455
2000	-1.2051814432191608
2001	-2.852817852091088
2002	-3.3385617512086627
2003	-1.963804894719517
2004	-1.9369946619059706
2005	-1.9391641698537454
2006	-1.949583399228761
2007	-1.9327312966609247
2008	-1.9068400521488302
2009	-1.8532194668774906
2010	-1.8747386007151077
2011	-1.8617057732708782
2012	-1.8185394454710484
2013	-1.81822865570245
2014	-1.843022323221535
2015	-1.9329962171769681
2016	-2.0132805875518263
2017	-2.063741337794878
2018	-2.0694038137937465
2019	-2.069630136855057
2020	-1.9848728511522418
2021	-2.218884841452195
2022	-7.607092538656539
2023	-1.978872827913449