Year	annual %
1961	-1.5076126435854178
1962	2.7401389057927474
1963	6.16218562932842
1964	2.754978860593127
1965	0.3271667348798246
1966	8.453479205731611
1967	2.025269248669659
1968	4.07551091351597
1969	1.5694476124299825
1970	0.8546150859353219
1971	3.188923836693448
1972	5.0337035611443355
1973	0.9808425048208278
1974	3.325224411067836
1975	4.985521970406552
1976	8.204535029939478
1977	1.1962507863038923
1978	-0.67282211305006
1979	-2.6841610211085793
1980	-4.442239135915855
1981	2.775436040071938
1982	1.3812685005882628
1983	2.568294676362811
1984	4.315571994865735
1985	1.9754897173161083
1986	4.77860581589691
1987	7.293127871837555
1988	0.3130374909322171
1989	-1.6463980439017547
1990	7.216741989266339
1991	-1.0949597992952107
1992	3.2057583740328965
1993	5.783731330060007
1994	-6.326330968253771
1995	6.067889696654021
1996	5.619567788490556
1997	5.850801078620776
1998	0.8168467083555413
1999	-4.707525496282727
2000	5.385567182470524
2001	-7.138251275554168
2002	4.969062414393861
2003	4.373434322040936
2004	8.309399699093404
2005	7.533399483974364
2006	5.570263162241204
2007	4.209876329531468
2008	-0.4528536922685191
2009	-6.127857400513818
2010	6.792082325867327
2011	9.57986395820123
2012	3.461212424791981
2013	7.101319543270577
2014	3.5334920403702768
2015	4.678595993380895
2016	1.9422584598537185
2017	6.11695888825578
2018	1.6281852403163555
2019	-0.6126184935597081
2020	0.8761863701011663
2021	10.429395222422457
2022	4.4994997578578335
2023	4.092940286444602