Year	annual %
1961	-1.0626035032646968
1962	2.743602371219893
1963	0.6181480697577229
1964	2.4009379748961948
1965	5.908082508083197
1966	2.347944154545175
1967	2.941776687480484
1968	3.530467239601691
1969	-2.2657654375096996
1970	0.596515407747944
1971	0.9214672539619357
1972	2.595182853117379
1973	4.658804406225585
1974	-4.056278106913808
1975	-0.8745532996610592
1976	7.081673881341686
1977	6.973754116385436
1978	2.705596351245518
1979	2.3699508265887346
1980	-2.4696000611637032
1981	-4.207532569026412
1982	-4.998803713825666
1983	-2.0727889788888945
1984	3.2303483859181625
1985	2.5984400463483013
1986	2.3479441780967107
1987	3.6505429471988577
1988	-1.0729114301087321
1989	-0.10628027588943212
1990	-0.04710848306976345
1991	-5.991768183487466
1992	3.1386864197348103
1993	3.5495743446923456
1994	-2.555221794667702
1995	3.268274426298362
1996	-0.9198102072405305
1997	1.7454879284585019
1998	0.8902688316498484
1999	-3.3229070913306344
2000	4.400412323485341
2001	0.002039927637326855
2002	1.0636806695926424
2003	1.905403434895689
2004	3.620510731542282
2005	3.5102174626896243
2006	4.082522845882593
2007	3.786204233441339
2008	1.9503936323637276
2009	-4.500621921221608
2010	1.599903281022847
2011	1.7695630867694376
2012	2.1169869987971452
2013	0.861032610676844
2014	1.1704306794545687
2015	1.97813209013502
2016	2.0668393461452723
2017	3.034580835404512
2018	2.084618587889537
2019	0.8503223827292885
2020	-10.430507108902702
2021	10.850446301704324
2022	2.601152430839136
2023	2.0090058418102075