Year	annual %
1971	3.413529528745812
1972	6.823368967748095
1973	15.997451187275885
1974	14.782679128145418
1975	8.378411575717507
1976	8.140499411624063
1977	7.166047889171907
1978	5.8400546288550075
1979	11.027403382076585
1980	12.668465525167917
1981	7.256554284055511
1982	7.440847560335058
1983	6.883437943757613
1984	4.879819274434858
1985	3.6601992108485035
1986	2.9716170842458425
1987	7.581920302133973
1988	8.496710422241982
1989	6.626881386018191
1990	7.842954435974711
1991	7.245674420120167
1992	7.447504533978716
1993	6.490654767121896
1994	7.70059550868136
1995	5.740236145627222
1996	6.506730635427772
1997	5.951275420371729
1998	7.447953426752491
1999	6.1214526604288295
2000	2.998888195402401
2001	3.366848647963934
2002	4.698928162019669
2003	5.4874291358028415
2004	4.823737964616342
2005	6.076678823420863
2006	5.104213273029103
2007	6.518033507327118
2008	7.795346036981911
2009	1.8267036840065742
2010	4.37088435978275
2011	5.41240809007968
2012	3.576513520938107
2013	2.346290098746053
2014	3.0530553080051277
2015	2.348496006859179
2016	2.438924086882068
2017	3.3410421584153767
2018	3.6266473002725945
2019	1.499486194790947
2020	0.8908252443129925
2021	3.713448366875525
2022	5.638377288097615
2023	4.400000614890814