Year	annual %
1961	1.6165103332617639
1962	1.6945966350576662
1963	1.7488785352315277
1964	1.7973595215268792
1965	1.8636784086769134
1966	1.887692689710706
1967	1.9165120634843775
1968	1.9574543258709913
1969	1.9773572496276628
1970	2.0175636428237946
1971	1.9866389429011089
1972	1.9862630712765024
1973	2.0678467898158415
1974	2.041670210161876
1975	1.905816666891235
1976	1.6768613897077507
1977	1.5700613864419188
1978	1.428503389659856
1979	-0.18662089051725167
1980	-4.58031301087909
1981	-11.95256451207538
1982	-10.756600310654344
1983	-2.0925199610183522
1984	2.1401609866189055
1985	1.8105032454529304
1986	-1.4142279768650772
1987	-2.043746077215792
1988	-0.27575756715849375
1989	2.637888087183688
1990	0.08958978414159766
1991	0.35690854597485316
1992	11.409417178062963
1993	14.851228635169914
1994	9.749627521472434
1995	5.9317649544220075
1996	3.988128929308065
1997	3.794296747498085
1998	3.767769307458517
1999	3.9612969406739613
2000	1.32580608474027
2001	0.6256668675830487
2002	6.331047781938717
2003	7.422603718980862
2004	3.743680310737638
2005	3.314227376985889
2006	3.875414617933368
2007	1.525627222849104
2008	1.7327431762876853
2009	3.289663734101915
2010	2.6212292145543703
2011	3.4124491842994007
2012	3.7984827190793524
2013	3.185536778237403
2014	3.3742059654460124
2015	2.8345107080400957
2016	2.292555435906735
2017	2.5592724458155702
2018	2.556908766164398
2019	2.560296509957673
2020	2.7677238553318815
2021	2.4612747438023836
2022	2.1238064649718233
2023	2.232718858759544