Year	annual %
1961	2.44728565187257
1962	2.38882151746956
1963	2.33308567626953
1964	2.48459985865308
1965	2.42436116099929
1966	1.78046246335067
1967	1.94180858571015
1968	1.90481949706944
1969	1.86921330121525
1970	1.83491386681966
1971	-0.72993024816115
1972	-0.735297430525881
1973	-0.740744127786192
1974	-0.74627212015896
1975	-0.751883241402734
1976	0.376648279547686
1977	0.375234961855037
1978	0.373832211060716
1979	0.372439909098227
1980	1.60416457391693
1981	0.692675026178103
1982	0.7221816199964
1983	0.86372294648436
1984	0.877596796055706
1985	0.838331433559174
1986	0.847047416643585
1987	0.810550210949636
1988	0.857177612350038
1989	0.843094730107372
1990	0.820876764965184
1991	-0.515434569953426
1992	-0.724394406970366
1993	0.536148682303024
1994	0.693566173613549
1995	0.715572569423702
1996	0.639001131559117
1997	0.61015227509119
1998	0.734522406498618
1999	0.55961136976709
2000	0.890208773614165
2001	1.07933521651731
2002	0.650636983025823
2003	0.65432713630377
2004	0.653211310145151
2005	0.647413398667903
2006	0.573530641034438
2007	0.564095738183002
2008	0.591576774606153
2009	0.554585139879867
2010	-0.783118104363585
2011	-0.863616495823495
2012	0.361775877335588
2013	0.312791570829084
2014	0.210544188304464
2015	0.151869636092964
2016	-1.05247097968271
2017	-1.0605345960762
2018	0.0704274978050419
2019	-0.0109521313739413
2020	-0.0281681326390652
2021	-0.202104144558527
2022	-0.265391686795242
2023	-0.166818835702156