Year	annual %
1961	1.617777808900544
1962	1.621849335672032
1963	1.6160447604190866
1964	1.5989570857974988
1965	1.5937401311553425
1966	1.5662835492160951
1967	1.5425156579099275
1968	1.530413530796348
1969	1.523942857637685
1970	1.508825908586114
1971	1.4344230130298148
1972	1.4127016159012704
1973	1.4621398170810405
1974	1.4640878763798058
1975	1.44889053183581
1976	1.4206576798643091
1977	1.4665637255232091
1978	1.5181619974688227
1979	1.494162006560116
1980	1.4638632365803044
1981	1.3853651092493935
1982	1.2742852663685558
1983	1.3231705124609727
1984	0.3479718701372785
1985	-1.342171869789866
1986	-1.6757139574407165
1987	-2.012813538377854
1988	-2.349348071751812
1989	-2.6542046382089257
1990	-18.331187489279365
1991	-19.014781698347058
1992	12.539689914736197
1993	10.307498774748316
1994	5.762786227163509
1995	6.559830725447169
1996	8.227946565281915
1997	7.2248841027961195
1998	9.594804533587014
1999	4.937756645611687
2000	3.0970240714799964
2001	2.3251199680680688
2002	1.9897639621051795
2003	0.17212326467254227
2004	0.5674652591902214
2005	3.8672078279483983
2006	4.985847400026285
2007	4.357433905140986
2008	3.4246416330920315
2009	2.4752912404721075
2010	2.196945813434904
2011	3.200725755009449
2012	2.7826847663750147
2013	1.3974406188331572
2014	1.2476993571910366
2015	1.1959934085532558
2016	1.143934518523892
2017	1.0109780627667517
2018	0.9903091514085006
2019	0.9879362960210603
2020	1.0466843219004902
2021	1.0435158366482296
2022	1.0392884667331654
2023	1.083066449524147