Year	annual %
1961	-0.417940393839757
1962	7.640188928843287
1963	7.190403120704914
1964	2.1062559123704148
1965	-1.0568593396143058
1966	-2.3587100387178026
1967	1.7863075424060497
1968	4.032527886698858
1969	2.830483908105961
1970	2.11170632360151
1971	1.184239424824014
1972	8.027382235202964
1973	4.506396753960743
1974	17.70917739356419
1975	16.946788893913478
1976	2.8672514498688315
1977	10.576355851607616
1978	1.048058864348107
1979	11.11078411548094
1980	13.884404422752155
1981	7.242219266801882
1982	7.512025238453603
1983	6.596398251734016
1984	24.18429046688651
1985	38.367289139571625
1986	9.38727107753951
1987	14.422948754198899
1988	43.53587149242509
1989	23.60881042420256
1990	50.459263080460346
1991	102.96144123793326
1992	5.56829005918074
1993	4.983763061666593
1994	10.13587566554817
1995	9.652386001517655
1996	3.6697368431938884
1997	9.451332812398178
1998	6.50470125160993
1999	3.8341544024193865
2000	7.207762797170972
2001	6.040738835665536
2002	6.920668849338284
2003	33.461540663330766
2004	45.166310045594
2005	5.781251842554909
2006	6.641244772856126
2007	7.636627436510992
2008	10.391687513918484
2009	3.498146565975574
2010	5.443413315424863
2011	8.060755175147662
2012	5.098181545006469
2013	4.692819142312658
2014	4.321288937676755
2015	2.4718859770976707
2016	1.9936784645293528
2017	4.1813750336502125
2018	4.121489686969809
2019	2.525618656470556
2020	4.723504019577945
2021	7.777158111368337
2022	10.71415565084692
2023	6.423919801875982