Year	annual %
1962	0.726608378640293
1963	-1.9837675752010853
1964	27.69088635193239
1965	16.13833050205038
1966	0.23096196671465918
1967	3.5671328969531118
1968	10.19644262466808
1969	1.248532089149407
1970	11.985931150311899
1971	1.842886437867321
1972	-0.7329078678789358
1973	-4.584756933199188
1974	12.162611059057028
1975	-5.134374447094231
1976	8.546104930216217
1977	-1.8785936823511236
1978	-0.5047138330159129
1979	4.790039837686265
1980	3.371210219024263
1981	3.4502884196609784
1982	-2.339924122420328
1983	3.7353420271206517
1984	-3.226864452496372
1985	2.9947605044289674
1986	5.713579354804793
1987	1.9003841518218536
1988	1.7203979762206814
1989	4.777585420011036
1990	-1.7713045332743036
1991	1.7880872817851952
1992	1.8741257308372496
1993	5.873637432421887
1994	-3.06073222460725
1995	9.819800418884256
1996	5.818826634119546
1997	-4.044696524544179
1998	2.777804784283731
1999	3.673178323224022
2000	-3.9180258792329283
2001	-0.7994938157893472
2002	1.3814839619905825
2003	6.928269551063025
2004	4.7327579245203
2005	8.566287249066676
2006	18.33319875977135
2007	-1.9694227516076097
2008	-0.33107919527837737
2009	0.09787587197280345
2010	2.620229520553778
2011	4.172783283044183
2012	4.470013182336928
2013	4.150813164521466
2014	4.274823293078995
2015	5.376339236949363
2016	1.2609092171336016
2017	6.270545679042925
2018	4.772173672972983
2019	3.1410048695308888
2020	-0.3606573789421077
2021	0.7427154996328511
2022	6.3870230957742535
2023	3.38355519096352