Year	annual %
1961	-13.32828523332708
1962	-0.6402927036183286
1963	6.4394214269906485
1964	10.78484726584523
1965	10.78179847261245
1966	8.002273817502896
1967	-1.420570386209377
1968	1.7736144812964199
1969	11.38451608756408
1970	13.441690494358397
1971	6.773573610928452
1972	4.903853908894391
1973	8.267030076950306
1974	3.8594546094095676
1975	6.8299797207906465
1976	2.8285694821258005
1977	7.413280161096154
1978	9.206629027015808
1979	7.003037249603807
1980	7.498580876198474
1981	5.5725175469279975
1982	6.410413963848811
1983	7.724446067679082
1984	9.938591363121631
1985	7.890032935009998
1986	7.124037396310513
1987	9.178563870180568
1988	9.739202746369742
1989	5.750407297672382
1990	5.151774579361131
1991	8.003494700979402
1992	11.181663227158651
1993	11.266507034041268
1994	10.935254123100592
1995	9.874030440010856
1996	9.06296810029474
1997	7.342628797722824
1998	2.893746588583724
1999	6.378907664716166
2000	7.646578085691829
2001	6.97944726729807
2002	8.06013082991042
2003	8.944748215063498
2004	9.121284779649713
2005	9.97695756050237
2006	11.078509064663365
2007	12.486691974847929
2008	8.615688095148826
2009	7.98496641412531
2010	9.921448844562448
2011	8.642957947061916
2012	7.5803054530015
2013	7.298727892603466
2014	6.984331943734048
2015	6.707158770389256
2016	6.564711869112983
2017	6.707696403366086
2018	6.524991750860437
2019	5.781891800120917
2020	1.246926837624656
2021	7.603749707834197
2022	3.4136178694245984
2023	5.0685221367110955