Year	annual %
1961	-0.18516784993926194
1962	7.891205818085439
1963	6.469697169562849
1964	5.192481607325732
1965	6.305282064353918
1966	0.8869466479106052
1967	-5.762036004386147
1968	6.209828233440987
1969	13.047294054787756
1970	12.217734395736656
1971	7.640254172326991
1972	3.7980957968627678
1973	3.9204987699367706
1974	11.000156590489098
1975	-0.08902779339430822
1976	9.034222293070798
1977	4.996340390056673
1978	-0.1708849144829543
1979	6.329207503742083
1980	5.295888451979806
1981	-6.577202497004336
1982	-0.8054094715780167
1983	-4.703102310895574
1984	-1.151281934436426
1985	4.256473232385957
1986	-0.10362368857187221
1987	1.499155680842918
1988	3.6317737011985116
1989	1.0402826544166714
1990	5.165969053588597
1991	-5.993434132390959
1992	0.18632348808145593
1993	-1.9166578498236078
1994	-3.4533796003020143
1995	-0.31474244583561983
1996	3.4125396289980188
1997	4.541040981080528
1998	4.933165442300535
1999	3.1143448318491522
2000	5.463854139290532
2001	4.11186251037509
2002	4.794074853587176
2003	1.0755567350449553
2004	11.261710278840624
2005	5.834460098372247
2006	5.821172790693254
2007	5.988115246994255
2008	5.042112518556394
2009	3.065415286460606
2010	7.017417565934323
2011	0.04388295873536663
2012	5.57037188422089
2013	3.483392562791508
2014	2.0962883592079464
2015	1.0705376094611267
2016	2.1671555833738836
2017	2.5433347260377985
2018	2.7201584706473056
2019	2.5234988572494075
2020	-6.35338636086037
2021	4.568994232188686
2022	1.4633969674545853
2023	1.6333439958421678