Year	annual %
1961	2.6220502568498336
1962	2.3893955860232663
1963	2.1342536159831376
1964	2.1814825486027103
1965	2.5111234493124335
1966	2.7470251488968276
1967	2.9527450991967634
1968	3.0566673061747887
1969	3.0500316773908955
1970	3.0210654122214096
1971	2.8625177239654773
1972	2.788490334384925
1973	2.78511229840874
1974	2.7598104369179652
1975	2.7228767756697634
1976	2.6990494399546336
1977	2.6633379885951802
1978	2.648057980234775
1979	2.9648465221020044
1980	3.287275631209024
1981	3.570017995702045
1982	3.732431841197336
1983	3.5173423971107414
1984	3.240780273897469
1985	3.336182790227583
1986	3.5468644901670268
1987	3.5227962540353133
1988	3.111279364499301
1989	2.5915390216530065
1990	2.383384388724457
1991	2.159354176842819
1992	1.418668157727109
1993	2.0817046195951114
1994	-17.327140403233965
1995	-18.363543994564512
1996	14.906115146444376
1997	12.0072647346724
1998	2.289665072920958
1999	0.24277173616628409
2000	0.23758934648818453
2001	0.32819519730044744
2002	0.6553150672143199
2003	2.1576942668902936
2004	2.57438401562009
2005	2.6268815568040145
2006	2.658794316042571
2007	2.68889455274743
2008	2.6767784243755246
2009	2.6345497292895157
2010	2.6022972913575817
2011	2.560687495520944
2012	2.4538212236416954
2013	2.374475433535551
2014	2.353453311638723
2015	2.3413816930242506
2016	2.380327684687638
2017	2.395578822920675
2018	2.331222777112408
2019	2.2675128027087066
2020	2.252681807339953
2021	2.206909009204239
2022	2.1258158187378884
2023	2.0738565806637683