Year	annual %
1960	2.08000000007815
1961	2.43079391009159
1962	2.1008403361344
1963	2.93161847051352
1964	3.32403316018127
1965	2.63157894736852
1966	3.48377613575408
1967	2.5766035675882053
1968	4.031672768206125
1969	2.5322717762993348
1970	4.303903352014615
1971	4.95325693640987
1972	6.5115440115437
1973	13.7960339945019
1974	23.7840154425787
1975	16.87631539513555
1976	9.931595652813005
1977	11.1910016370359
1978	10.3556722757191
1979	14.782239267266
1980	18.0615430355956
1981	14.189927636413149
1982	8.397681559166905
1983	10.9128872185399
1984	11.72729825880865
1985	16.8721054708497
1986	13.470218657294751
1987	12.93696852914335
1988	9.54973475650019
1989	12.88083542310695
1990	21.85005972813045
1991	22.2233859414183
1992	11.63740249101385
1993	10.791941318612
1994	10.7205639010421
1995	11.1287029707089
1996	9.78892040179966
1997	7.14511160883929
1998	5.26903547042201
1999	3.486728902009805
2000	4.76382472733251
2001	5.30722081028547
2002	4.24026660688645
2003	4.54690012118718
2004	4.45194392395045
2005	4.6992773903564
2006	4.29342363628927
2007	5.54438485815156
2008	8.40009593987462
2009	2.7640891351363353
2010	3.79644333768708
2011	5.462845929440714
2012	4.14457284086402
2013	2.744836218961865
2014	3.428264148107805
2015	2.9248216971897403
2016	2.5378171039056747
2017	2.8227580554717
2018	2.29810236299038
2019	2.0916386224491
2020	1.380426473202855
2021	3.878054424111305
2022	7.83844572166295
2023	4.63066263911662