Year	annual %
1971	6.694245969930805
1972	3.1836373336596466
1973	2.015990513003146
1974	-0.21971207695295902
1975	8.271286621452916
1976	4.41394639194192
1977	7.954455978375364
1978	6.052788201955892
1979	0.754393969343468
1980	-5.54570717085096
1981	18.99754285129677
1982	8.891140139206925
1983	4.876078720517782
1984	7.447629186832927
1985	-2.1763467195676895
1986	0.11612814410544559
1987	1.0401109527076642
1988	1.3224427528211606
1989	0.597161619780735
1990	-7.458156177114603
1991	-10.969064305596916
1992	-18.380211073311898
1993	-11.791188630392895
1994	5.215183428646824
1995	1.1041906507795574
1996	3.5739536456044476
1997	1.9859524760738339
1998	1.5493596790735893
1999	4.767586827871924
2000	1.7625900549131046
2001	3.5113692285686255
2002	1.8489008289311641
2003	5.923693095282729
2004	1.3039811776543075
2005	0.19239414908471986
2006	18.55742133737604
2007	1.4335181003569488
2008	-1.8240865756038716
2009	0.8378719909390924
2010	7.785106500677713
2011	1.3261568227076737
2012	3.157772100283424
2013	5.046111503739411
2014	4.488079572644594
2015	7.278761638522894
2016	4.121934242106718
2017	1.7271329360671928
2018	2.317286336559306
2019	-0.7545327290040262
2020	-8.558662581132864
2021	-2.277738949388862
2022	2.4660556393759805