Year	annual %
1961	6.162680346166454
1962	4.3455632970729425
1963	1.759318194856391
1964	7.609417611911738
1965	5.869507163485395
1966	4.637661397262406
1967	4.449611673950145
1968	7.448398231692082
1969	6.902078702102116
1970	6.8108212142527975
1971	6.97584494496995
1972	7.726613989086076
1973	8.696164408269212
1974	6.644872119747163
1975	4.235459472778587
1976	5.502442525791992
1977	4.757588002354126
1978	4.305980372328705
1979	7.3606730586921
1980	6.634766318423459
1981	1.0511028912388838
1982	0.25666909532687043
1983	-2.079443730734525
1984	3.9167989434519654
1985	3.14472566985377
1986	3.36812977603347
1987	3.163680050643407
1988	0.35768004691860256
1989	1.3959769523420533
1990	-0.4684393582266466
1991	2.8030097770550526
1992	2.1365980689825363
1993	4.353805653842713
1994	5.266150566428607
1995	0.4153091628500931
1996	3.8713325334310866
1997	5.2828321080555725
1998	2.785513058879957
1999	0.5274780369018117
2000	3.621212846936814
2001	0.17585231047159766
2002	0.3675669109862554
2003	2.4070298979144553
2004	5.2742187941906735
2005	3.988954823752806
2006	5.252942337225036
2007	5.335291554584586
2008	3.739808227872146
2009	-2.406389796990851
2010	6.6720676437814035
2011	4.42530345672121
2012	2.3711563936168716
2013	2.765408197183291
2014	1.2958859874029542
2015	0.2925736840496711
2016	-0.4836571246902963
2017	2.0174716188902266
2018	1.5653407771556402
2019	0.6654719634582307
2020	-6.542686148327093
2021	6.8144664615359005
2022	3.877052645353345
2023	2.151256544236958