Year	%
1965	2.6646069769247265
1966	5.126402682504843
1967	14.711437726083354
1968	1.2496989850957376
1969	-5.400045256137104
1970	10.364531340910334
1971	16.04089754431055
1972	1.934606311261369
1973	-12.355559972671216
1974	-5.396688942713371
1975	-0.3387011110095969
1976	0.661033345495381
1977	-7.304526905167152
1978	-10.375536415493958
1979	-0.48030561404362676
1980	18.096079942828766
1981	5.7974108597035015
1982	-2.9549191790819016
1983	-1.8326985455620952
1984	-15.573932561212024
1985	-30.72402277369714
1986	-34.3501355383014
1987	-51.61724919943519
1988	-22.08815815501973
1989	-19.70670540617172
1990	-10.605184914392227
1991	-31.697472608511767
1992	-10.542725576425102
1993	18.71761138612121
1994	1.816130228736832
1995	-3.566411803816205
1996	1.9617252991450533
1997	21.138529527462737
1998	0.047029202057363696
1999	8.225244964051281
2000	22.239160346194513
2001	-27.479672816069982
2002	27.169736409155608
2003	6.009233481885314
2004	8.204530609797894
2005	6.832323038869688
2006	10.229090414056634
2007	17.258567095962626
2008	13.996668977403544
2009	12.546143267455994
2010	3.2495519463079052
2011	3.1586006606909347
2012	7.995972736422519
2013	12.715929699486127
2014	17.305604138985007
2015	-0.7608951427031873
2016	9.791960652550294
2017	6.151412192011153
2018	1.7113350338939717
2019	9.529820116265267
2020	6.332217458693468
2021	11.404521011093253
2022	-4.802159386435675
2023	-12.3100474986606