Year	annual %
1965	2.818598027613285
1966	2.88830033830271
1967	2.44427998373013
1968	0.563419795520379
1969	3.5015073989751153
1970	4.0592469302555
1971	3.8756212395568346
1972	3.707738843527495
1973	7.071867534706575
1974	12.13662664495255
1975	9.593436412783905
1976	10.7867791969762
1977	12.29314215705595
1978	10.3970665660787
1979	9.90436051231129
1980	11.584567341648452
1981	11.84612549979475
1982	10.39330807646335
1983	6.167613864793865
1984	9.22951819475499
1985	7.7286389008592
1986	15.25962130805795
1987	7.44126091287247
1988	6.905098074937665
1989	10.35178923978328
1990	12.321799984781059
1991	14.51233162226315
1992	12.32329924182415
1993	12.6564663913828
1994	11.741349219577781
1995	11.86109415403323
1996	6.84416086199789
1997	3.6011610326094603
1998	3.790924323616145
1999	2.66937369053699
2000	2.2892199605600503
2001	2.26975720475956
2002	2.72103284850455
2003	4.268953958395
2004	3.96180030257187
2005	3.49368534619531
2006	6.25172466656443
2007	4.74390639021648
2008	12.6628528269228
2009	3.2929002122414
2010	3.96677908889859
2011	5.020099832351869
2012	6.3352854463936
2013	4.82101956297399
2014	2.89947905006057
2015	2.9976391933387996
2016	3.18390573061568
2017	4.815100289345175
2018	5.26965008182544
2019	2.478578852216375
2020	2.09626938944792
2021	5.460199806718714
2022	7.48175163603345
2023	9.32217375928322