Year	annual %
1961	-1.2219600136465942
1962	11.835766206317004
1963	7.2716195984662875
1964	4.997025007106998
1965	-0.9340782860744241
1966	-3.503935511257069
1967	7.160529891189952
1968	-3.9289469871604012
1969	-2.0415948369365964
1970	-1.374184571030355
1971	1.5039385807184686
1972	-3.600979838310465
1973	22.131876027965873
1974	7.227967893536984
1975	-16.41570007023853
1976	7.4875404931192975
1977	18.23720205008135
1978	15.04808317517525
1979	0.05991765664890636
1980	-5.422339126479528
1981	-2.076045083560558
1982	1.5869448228312848
1983	-0.8083175954615456
1984	2.6547469216847475
1985	-0.1462122258823797
1986	1.9667468776234216
1987	-1.5912297080189433
1988	6.422405178491601
1989	3.798110268617691
1990	4.164710397617995
1991	5.182650441521957
1992	5.287541177209576
1993	2.0291008286836103
1994	4.584071738039256
1995	2.0392675773252904
1996	4.461776291179476
1997	2.784581844712946
1998	0.8698196028564098
1999	0.042529375120153645
2000	3.6475395789844924
2001	3.5179191220533426
2002	0.821608379495359
2003	4.796069259973265
2004	2.084006166656934
2005	3.8826188074122143
2006	4.264051551632292
2007	3.8367628537690166
2008	4.91255178927716
2009	-1.9494449506386786
2010	4.563031942458792
2011	3.849892528888759
2012	5.452191866191342
2013	0.8491255166476464
2014	0.6764259977458238
2015	1.990905886320732
2016	2.383745828975762
2017	-4.331646430141149
2018	-2.708754074497861
2019	-2.6442329413856527
2020	-8.624586964500551
2021	0.6314931856451551
2022	0.21498532068132192
2023	-0.16234856728016211