Year	annual %
1961	3.6118166850899627
1962	3.2614929132574986
1963	0.6927212379579402
1964	3.497299505433716
1965	10.060580982582422
1966	2.641475567419448
1967	3.88692857685011
1968	4.5375157218211655
1969	-0.11211823720927327
1970	7.157031708534319
1971	5.244133702520344
1972	5.249729658311409
1973	4.390456226130638
1974	4.288559722720294
1975	-2.1016256646717295
1976	6.657688868252464
1977	4.488856941205441
1978	1.2614260800578592
1979	5.273386368564076
1980	13.78276252606527
1981	-2.6507337669630147
1982	-2.465319639069236
1983	-5.192052084837329
1984	0.6540817769097487
1985	0.5485617370464269
1986	3.3030185974796353
1987	-2.9410900843402032
1988	-3.9891195527454073
1989	-0.3149318473889906
1990	2.8278399202414306
1991	2.5958891800925983
1992	0.3530915153238112
1993	0.43779549884641256
1994	3.3014494750633645
1995	1.2280989251976422
1996	1.8961256266822488
1997	3.646269939096072
1998	0.9385705028605287
1999	-0.8852612470607681
2000	3.0455518901497953
2001	-0.79001284798737
2002	-1.3467989422674407
2003	0.57541597126081
2004	2.645633304433531
2005	2.8691929922697597
2006	4.544510515121374
2007	3.861917769004691
2008	3.3304793795376355
2009	-1.9925687677778967
2010	5.31630162008679
2011	4.408098283165572
2012	2.0427840034323594
2013	2.3764072742994387
2014	0.5933783579918526
2015	-0.2598190405012559
2016	-1.3926871454325322
2017	1.521062643982546
2018	0.8509166961887473
2019	0.3139440360423862
2020	-8.30803163604979
2021	7.011314298916744
2022	4.641848970534653
2023	1.9807730497989127