Year	annual %
1961	1.933946526073882
1962	0.5966071827002963
1963	3.150052774338107
1964	3.7269776231950473
1965	2.962826112493012
1966	3.4445181118189865
1967	1.7793841485914257
1968	3.2270942578252217
1969	4.6606928372715615
1970	4.937523593030704
1971	3.279353071142282
1972	9.814576034843995
1973	12.22447490291269
1974	15.128346129364814
1975	11.884430878028155
1976	9.530632469395748
1977	10.40810118196466
1978	10.540289734601792
1979	14.571237401444044
1980	19.205294758314253
1981	10.858488369680742
1982	7.697471775970726
1983	11.556841727952076
1984	12.734755763856057
1985	16.14433126055718
1986	13.916576908552855
1987	12.694069823943323
1988	20.152601263973537
1989	14.839283909724628
1990	11.993903907882881
1991	14.978936424738663
1992	14.640655210188406
1993	13.87050259376808
1994	17.01641478725419
1995	16.102711742496226
1996	15.176180335890493
1997	10.54504865514589
1998	9.109172939018066
1999	8.006813296561788
2000	11.11730588248625
2001	8.312824999512983
2002	8.914928256750045
2003	7.806740872975098
2004	9.60039256006742
2005	7.623689358782684
2006	7.652254305265288
2007	8.245764766116736
2008	10.961412407555954
2009	8.28143239119239
2010	5.883022034869526
2011	9.745709985237717
2012	6.2038885361032
2013	6.188554825731863
2014	5.403535372655639
2015	5.54529642817306
2016	7.00282332300992
2017	5.217430865415096
2018	4.321756525949887
2019	4.444379464941157
2020	5.089640709148355
2021	5.535521294052103
2022	8.562984704173665
2023	8.770822560219209