Year	annual %
1961	4.87632582684185
1962	4.803709200296339
1963	3.9048800462418995
1964	5.083141572002049
1965	4.3603779392001485
1966	3.4524769569347313
1967	2.7650178676183117
1968	4.797659393092005
1969	6.2786520857187895
1970	4.918635753562569
1971	3.096710735150367
1972	4.068829386676185
1973	5.337516897149186
1974	2.502415662505598
1975	-1.1651973419883888
1976	4.322745812986767
1977	2.4278872027990985
1978	2.5853733919377646
1979	3.39123552504536
1980	1.581648657319775
1981	0.1152366712705799
1982	0.4973540555174054
1983	1.1736070554021723
1984	2.266248815663772
1985	2.079499951155668
1986	2.294115061275434
1987	2.242209712249249
1988	3.77988252730961
1989	3.5346859880693415
1990	2.9650668495329455
1991	1.0741245110035322
1992	0.5949565507435324
1993	-0.9635882472694988
1994	2.3830667578887272
1995	2.484592215734935
1996	1.7155571158749012
1997	2.498925257275218
1998	2.8729534029439776
1999	2.779100015329135
2000	3.7762087217858777
2001	2.0409890077452815
2002	0.8789164834138745
2003	0.5496721086267371
2004	2.208402201705951
2005	1.5642933598452942
2006	3.1594695429278232
2007	2.8104802091478973
2008	0.3190967484039504
2009	-4.574808204110894
2010	2.0820378480444646
2011	2.0819479776113496
2012	-0.8481279637691728
2013	-0.32567557179933715
2014	1.3475224511112316
2015	2.086454159618498
2016	1.7559261379669948
2017	2.683482974786642
2018	1.8874477904315512
2019	1.7220023116324796
2020	-5.721373868704944
2021	6.130631553845674
2022	3.4341374060792305
2023	-0.020076889370130857