Year	annual %
1961	0.6181211926545842
1962	4.48066935423364
1963	2.908271948087531
1964	4.340548963202949
1965	5.07809761043309
1966	5.277113858364132
1967	1.3899512862836474
1968	3.7588193676318014
1969	2.0973697064787586
1970	-0.9441451181423446
1971	1.9949789554152062
1972	4.134727629603745
1973	4.6421133606447285
1974	-1.4451328921554847
1975	-1.1847429392429802
1976	4.391358472344464
1977	3.577179823933392
1978	4.422887164785536
1979	2.033731709627844
1980	-1.209324072928169
1981	1.5363024171900292
1982	-2.734694910774863
1983	3.6318580403165583
1984	6.311989216106895
1985	3.250576260315256
1986	2.510894966018668
1987	2.5340423430043018
1988	3.235337928481812
1989	2.6977602153793896
1990	0.7414867212110607
1991	-1.4342475849234688
1992	2.0966686423715686
1993	1.405723181851684
1994	2.7611089695097633
1995	1.468929170583948
1996	2.572463994178648
1997	3.1971656138321833
1998	3.2722298341108456
1999	3.591980377836123
2000	2.9258625449025715
2001	-0.03873192561718497
2002	0.761236853294676
2003	1.9158824777433665
2004	2.891110912334625
2005	2.534110707186656
2006	1.7981987474099839
2007	1.038343821710356
2008	-0.8288881210723247
2009	-3.426831942540133
2010	1.8467404584986014
2011	0.8289261739004701
2012	1.5414662344997083
2013	1.4127416785577225
2014	1.774699807487906
2015	2.19043056582386
2016	1.0842573831341724
2017	1.811476365402882
2018	2.4258772194730227
2019	2.0014826792295253
2020	-3.156444251967031
2021	5.633868128240778
2022	1.5615981890108657
2023	2.0395059357577026