Year	annual %
1961	3.278445997779599
1962	2.4859555087184972
1963	2.7814791463603115
1964	3.3810605811513383
1965	2.405026088434184
1966	4.13875252313607
1967	1.2277518339989086
1968	1.6279493390750375
1969	4.213958542558437
1970	3.3506517613349587
1971	4.189196487686466
1972	5.145810772725753
1973	7.6185979429071295
1974	13.42263912885685
1975	8.586772089185146
1976	11.31976432848743
1977	10.87198798294493
1978	6.616494662824735
1979	10.76178867457159
1980	11.001281185623917
1981	10.010020939859494
1982	13.820559046017095
1983	9.927936398523407
1984	11.315050030615986
1985	5.297213505550857
1986	0.32606411194819174
1987	2.356511639789673
1988	3.692770551723875
1989	3.5001187582242608
1990	4.822443156260789
1991	3.3128057535960806
1992	0.48293822201271297
1993	2.806707989671459
1994	24.7941952455715
1995	7.396920688998527
1996	6.186424120109415
1997	2.960138770188081
1998	5.309483069109014
1999	4.501097304058099
2000	4.815430261735003
2001	3.8617951943565885
2002	2.6733973874015717
2003	1.7188216320288419
2004	5.68195133906449
2005	6.688933946289573
2006	4.643322139797945
2007	5.477028977357072
2008	9.116999675010078
2009	1.489404270144746
2010	5.429673198937991
2011	8.516660472745727
2012	4.730094835773187
2013	1.5540180473317093
2014	0.7318533296185876
2015	1.9115594158738034
2016	1.7363231292840027
2017	1.759105775700597
2018	2.1503389329898184
2019	1.7390136334711386
2020	1.715558462210275
2021	4.642203346479228
2022	8.094694018904256
2023	3.386691137528622