Year	annual %
1961	-0.6938649126547668
1962	-0.8402695633148012
1963	-0.9676902914109599
1964	-1.0677733608141455
1965	-1.1733856987499447
1966	-0.9656081754138592
1967	-1.137960311718755
1968	-1.254205105911537
1969	-1.3766317158623638
1970	-1.4781028577089654
1971	-1.0955887852839077
1972	-0.4354307131148749
1973	-0.4770111107338075
1974	-0.5130037536324457
1975	-0.5561932444760447
1976	-0.35290258804318997
1977	-0.4657092024968908
1978	-0.5550044369197266
1979	-0.6262466250988888
1980	-0.7125104221410679
1981	-0.4572665005401473
1982	-0.2988262087600271
1983	-0.4006881348531367
1984	-0.505442973194345
1985	-0.5885407987821476
1986	-0.3712812860313505
1987	-0.5117255720242625
1988	-0.6286616366900022
1989	-0.6955695551583341
1990	-0.7591777723865936
1991	-0.6074983946512503
1992	0.2084770717300717
1993	0.23325311651893882
1994	-0.002262496734444088
1995	-1.8831364416902967
1996	-0.5636199108505859
1997	-0.744349145853483
1998	-0.8479944288844505
1999	-0.8307909556947108
2000	-0.7926709444922369
2001	-0.6451955255604961
2002	-0.5676639838479619
2003	-0.6883717984972502
2004	-0.7155791359817978
2005	-0.780663985691495
2006	-0.8757264915836326
2007	-0.8925394283523408
2008	-0.9129694249129554
2009	-0.8906311996218454
2010	-0.891839196187777
2011	-1.283965621016064
2012	-0.8006244434962612
2013	-0.7400158938203467
2014	-0.7258290210578201
2015	-0.7495210762671264
2016	-0.7813395523244998
2017	-0.8313203569177348
2018	-0.8873978299047456
2019	-0.9199628168403682
2020	-1.0922725686491326
2021	-1.4154674304208408
2022	-3.0304939254512333
2023	-1.2570603784657302