Year	annual %
1961	3.8299524665854534
1962	2.05096693162303
1963	3.235544220609306
1964	4.032512827848166
1965	2.974319580735795
1966	3.4884716163860148
1967	1.332998867350966
1968	2.2801922572936775
1969	3.7916775508001876
1970	3.7850036465983763
1971	2.9705377095911416
1972	4.974395468174194
1973	9.964066763623862
1974	14.778943434013442
1975	8.304804547699064
1976	8.675751335565153
1977	11.372462820627362
1978	8.562151174611628
1979	10.71313092890071
1980	12.988319751133929
1981	10.808507350147778
1982	10.000018396173928
1983	10.909693850500489
1984	14.569882211734033
1985	10.405488061034688
1986	9.842819497517269
1987	12.523160847845382
1988	9.534039911839066
1989	12.123876356349534
1990	11.980141737546582
1991	16.334188322527673
1992	11.150082868787024
1993	11.41074955420445
1994	25.616962532321885
1995	13.049526396576795
1996	10.449002895643893
1997	5.6426205940957175
1998	7.495721398022333
1999	7.3824351149288105
2000	8.097275494104103
2001	5.826618943435307
2002	3.554213254560537
2003	6.279473377540242
2004	9.050902404975744
2005	8.584884441446874
2006	7.461344539657773
2007	7.28820826067988
2008	9.554748586189916
2009	3.6035151841818873
2010	5.644330860973355
2011	8.99929083812954
2012	5.823999487959156
2013	4.329351573956927
2014	2.049497725604681
2015	3.0043095168452254
2016	3.678068144260422
2017	4.123575013190646
2018	2.6584981205730003
2019	3.0000118163171265
2020	3.1716610674050685
2021	4.605728088887929
2022	8.642277522213249
2023	6.891019731575078