Year	annual %
1961	-0.23673071836520876
1962	-0.25922336610008756
1963	-0.3435989615853572
1964	-0.3796767043823621
1965	-0.4418390548907212
1966	-0.5671598692535582
1967	-0.6590185881467931
1968	-0.6621375207256506
1969	-0.6096167828597743
1970	-0.5965233105058871
1971	-0.31852762912239996
1972	-0.3759341878978262
1973	-0.40392832977777005
1974	-0.4312723323106553
1975	-0.4298950593631332
1976	-0.3281614222735385
1977	-0.34114365012763415
1978	-0.3732305167873875
1979	-0.30857043482409097
1980	-0.2851877632560047
1981	-0.3704792003582327
1982	-0.3066215105976653
1983	-0.3113612893984623
1984	-0.29711981509321106
1985	-0.2851944833810194
1986	-0.3742986757681308
1987	-0.46024818615917695
1988	-0.430101709389092
1989	-0.23832895808394028
1990	-0.22463595508354217
1991	-0.22236804376487385
1992	-0.18843417311946098
1993	-0.17953567097907808
1994	-0.24051068564517664
1995	-0.2780945191083646
1996	-0.2654042102152516
1997	-0.24743425803366392
1998	-0.26550269798221393
1999	-0.2957062522308149
2000	-0.31692116566844675
2001	-0.7776230466414233
2002	-1.0016983944111502
2003	-0.9391598623564192
2004	-0.8981815474596431
2005	-0.8484535827889488
2006	-0.6876002012427307
2007	-0.5934444684649236
2008	-0.5390469860885361
2009	-0.5557340319755752
2010	-0.6177186569256463
2011	-0.517472383568375
2012	-0.27213870784198946
2013	-0.24707823825606567
2014	-0.2502155642717554
2015	-0.30701706198071577
2016	-0.3327164417912911
2017	-0.41988295216739857
2018	-0.47881607890514033
2019	-0.5928573513742492
2020	-0.6192695914435262
2021	-1.0259081723203707
2022	-0.8847954950866921
2023	-0.5804177498752239