Year	annual %
1961	1.809043550057595
1962	4.540967064276174
1963	1.6997151729226943
1964	6.685238790525844
1965	7.1801557915250385
1966	1.699999998008181
1967	0.03628155332069127
1968	2.0199238329878995
1969	8.525446801697669
1970	8.620493239716993
1971	3.465916492276861
1972	0.9002346502715426
1973	2.2566182498726164
1974	3.499828320031554
1975	1.6692165238666234
1976	-0.4491763415324215
1977	0.046675809840763804
1978	2.4063321661992063
1979	4.511265607480695
1980	4.843503756291611
1981	2.881428565017117
1982	4.781755534654806
1983	-2.1028016174281134
1984	4.093034266979998
1985	-5.311340498476611
1986	1.2360469106911438
1987	7.231268731339256
1988	-7.079999999522215
1989	0.7299999986959023
1990	3.3499979838771594
1991	2.351961409048613
1992	-19.012909907092705
1993	1.3745500908638917
1994	-1.9473851286476247
1995	-7.999752326563808
1996	1.753820104646735
1997	-5.8770807888450065
1998	1.7850127950447927
1999	-1.979286873974587
2000	6.652729659393103
2001	-6.345455403265575
2002	26.524134888331304
2003	9.483631485658364
2004	6.47884601647948
2005	4.353499949884025
2006	4.283110444724684
2007	7.976565334383494
2008	5.435893044249212
2009	3.2094315622637453
2010	6.63749245827168
2011	6.009831046078858
2012	15.20174827346392
2013	21.079014163642682
2014	4.559253532704432
2015	-20.4910741068
2016	6.346727851935867
2017	3.753803214003625
2018	3.4729026201246143
2019	5.253746313073648
2020	-1.9684868911861884
2021	4.104700088841184
2022	3.45753985565149
2023	3.430821356074347