Year	annual %
1961	1.7334975645400021
1962	1.9666459708624302
1963	-0.02758320648553081
1964	4.512120912259789
1965	0.031380730101943755
1966	-3.211918939847749
1967	1.688108845512943
1968	-1.1259443844579096
1969	1.8847264351639552
1970	3.672728610192948
1971	2.9306229549928844
1972	1.9933205358727264
1973	8.799043693315326
1974	8.4784631439464
1975	10.545907968890546
1976	3.367750217233194
1977	-1.5270563740525205
1978	2.3066122200658583
1979	0.05353680806825878
1980	0.11483021443912378
1981	2.846327469058835
1982	-3.9913205915527357
1983	-2.9721874991925574
1984	-1.8289866389200142
1985	1.63202302798922
1986	0.7088722252994302
1987	-3.7659978005343646
1988	1.6781400266719544
1989	-1.930616242561186
1990	3.2263032088111174
1991	3.8390364703270166
1992	1.7062769305397296
1993	1.3080845337722877
1994	2.7773886275115984
1995	0.7963627226609447
1996	-0.4977550771881738
1997	2.96777575358054
1998	0.9438291409381776
1999	-9.109601099451623
2000	-3.0091665887227634
2001	6.763329321701605
2002	4.373103927583784
2003	0.9821445713770345
2004	4.8484125146770936
2005	4.176430211692946
2006	2.929082818348803
2007	0.09162524859800669
2008	6.473664346563851
2009	-0.19825104941540417
2010	2.9325527005392047
2011	6.607111527702585
2012	4.302650783360676
2013	5.636665530987358
2014	2.5837430594172446
2015	-1.5614933785770546
2016	-2.0327692082965
2017	3.7612022980049886
2018	-1.2750703982291327
2019	-1.914658555693947
2020	-11.02947531514134
2021	10.58773472160182
2022	4.937380100480993
2023	0.6443370038476957