Year	annual %
1962	1.7216869043441108
1963	1.8584364134074889
1964	1.3893176680922465
1965	2.9752590775425034
1966	4.50883726568307
1967	1.3695297346631037
1968	1.314662999016008
1969	-1.379825272784501
1970	0.6392156378572764
1971	3.629545235200297
1972	1.4664864624046317
1973	2.360110760784792
1974	0.6685909945411765
1975	-1.1527079907291977
1976	-2.3030444532506635
1977	0.7964641733848339
1978	1.048477612006394
1979	-2.5227245166715733
1980	5.855747840440358
1981	1.8364008113459107
1982	-2.8657516546168296
1983	5.342542307521285
1984	-5.246167637269636
1985	-13.533208002211765
1986	6.568349965206167
1987	10.148381882693556
1988	-3.2435309014458795
1989	-3.9941231945481093
1990	-0.8826766871328431
1991	-10.96701360333823
1992	-12.314451714162729
1993	9.398618787729163
1994	-0.20245107491192016
1995	2.699901360418494
1996	8.881600760001419
1997	-0.04234768651919296
1998	-6.368031773347056
1999	2.0254469438090155
2000	2.980694097503232
2001	5.183296102054655
2002	-1.419431349453788
2003	-4.963548610928697
2004	10.356735380470056
2005	8.68819314738802
2006	7.745595718840008
2007	8.32283205867725
2008	7.6878600799579
2009	5.794553795897571
2010	9.4198734285809
2011	8.054120480715298
2012	5.618653919338328
2013	7.5830989241305815
2014	7.31454492337771
2015	7.456695097156867
2016	6.501211496706276
2017	6.622789070504666
2018	3.998440255880894
2019	5.523810567639288
2020	3.2808479842021114
2021	2.9258045453589574
2022	2.6775619127412824
2023	3.849182604253727