Year	annual %
1961	-3.5469328478471738
1962	-10.820123718943393
1963	-11.349531344893379
1964	-0.906064067303447
1965	-2.4520223935158896
1966	-10.79724164483757
1967	-7.120008195565248
1968	10.197162404690289
1969	8.972269273701755
1970	2.1061987362912333
1971	-4.158336478452526
1972	-3.8327374253762088
1973	-4.865887148493229
1974	-6.4048933968608
1975	-1.1742820168976493
1976	15.218797603695378
1977	-14.960811193962826
1978	9.979541144199388
1979	-13.66924024958513
1980	17.450969847173425
1981	16.81888888684611
1982	44.03506409328776
1983	-18.773276786046495
1984	4.516581744304489
1985	0.745270748450281
1986	-9.538524508179137
1987	-1.6255042130294157
1988	-2.5257112391418133
1989	-2.441572210099835
1990	-9.262128600855391
1991	12.208989311820943
1992	-24.619873677019015
1993	10.63428807955728
1994	15.930981903096296
1995	15.627357637953025
1996	11.292633059466866
1997	-3.1696830596197856
1998	-44.99291011212453
1999	87.43978136765281
2000	-6.177251084584995
2001	18.00372630836516
2002	-27.782921333635343
2003	8.532363221717048
2004	3.839460549729594
2005	11.966063460600651
2006	2.652849292131407
2007	3.646800658926935
2008	5.48280646068946
2009	-1.623721822882061
2010	-2.5745161645617856
2011	2.422961216752512
2012	-0.7118603751045498
2013	-2.414754698392059
2014	7.782100231951603
2015	11.386088484735694
2016	-2.342938212278682
2017	-26.807169220659617
2018	3.7786440438418936
2019	11.453249366250333
2020	-10.341987724275754
2021	8.946780941132218
2022	2.6325285049774436
2023	2.5565389150037134