Year	annual %
1961	6.132665505457965
1962	4.312009674697293
1963	2.0850541166668393
1964	7.268644227842032
1965	5.681326623607802
1966	4.953518813859077
1967	4.346599334822969
1968	7.113436503008657
1969	6.834092231434781
1970	6.521408860786096
1971	6.876133156745439
1972	7.164665029611001
1973	7.99138302250438
1974	6.242225961404671
1975	3.5863572070201144
1976	5.436499852419715
1977	4.86982091701816
1978	4.529610600658799
1979	7.390679515214387
1980	6.63697944483404
1981	1.2212829083746897
1982	-0.16949818378698467
1983	-2.2817169527287007
1984	3.892239799904118
1985	3.1317572653960326
1986	3.4784702699503356
1987	3.3019471905013376
1988	0.6101925095464367
1989	1.7112049199070327
1990	-0.3783144224563415
1991	2.9476644257252644
1992	2.5707198163182454
1993	4.395173085627576
1994	5.226183601336913
1995	0.8286106918801437
1996	3.9681579683840766
1997	5.390491606520925
1998	2.9798278087083077
1999	0.6794804759908715
2000	3.6099688665184715
2001	0.45327176611856146
2002	0.4642411855747781
2003	2.455011489784667
2004	5.43578368305208
2005	3.9318136288962933
2006	5.12948994163591
2007	5.181815475990675
2008	3.640487793310541
2009	-2.2790919356964707
2010	6.388674472412205
2011	4.395543067746004
2012	2.566619511389405
2013	2.760268493034772
2014	1.3365384360196657
2015	0.40785368776063535
2016	-0.33479359764864114
2017	1.8898252333256806
2018	1.5717062980700405
2019	0.718740959001579
2020	-6.64924567289502
2021	6.996791927459739
2022	3.9879309472283353
2023	2.1530839544738