Year	annual %
1971	13.513513553749036
1972	1.5873016133231204
1973	7.291666605030571
1974	-10.679611594995379
1975	-3.804347849881239
1976	9.322033875558418
1977	-0.775193757901576
1978	6.249999993276063
1979	10.909091973568039
1980	-6.193078869089248
1981	-9.029122371030837
1982	-0.9605140409970545
1983	0.4310359756768207
1984	1.2875580884613527
1985	3.9194963602891875
1986	5.504578341318151
1987	0.4830960335483496
1988	-1.4422997223475136
1989	3.707313700061704
1990	-4.4214509455624835
1991	-2.3000123568196074
1992	-0.1999871450703381
1993	4.099991010138893
1994	-2.5421004809094825
1995	6.673643146496701
1996	7.178968817831873
1997	0.6434250043231344
1998	2.1948897178647826
1999	2.1854343739738766
2000	5.093044692444181
2001	7.390129061729894
2002	5.651959198903484
2003	5.212628926341495
2004	3.0872602379674987
2005	6.639203613007339
2006	2.132127146773513
2007	0.48598255001725477
2008	3.556104673950003
2009	-0.5416776018345928
2010	6.124719922612499
2011	3.8490779466039555
2012	-3.7321302089026602
2013	0.10729327648893161
2014	0.6599237687828605
2015	3.8503618166493965
2016	7.9838628784712995
2017	1.4062823997130067
2018	-0.6096471033801407
2019	4.451858916886906
2020	-3.108444010531386
2021	-7.078830942915076
2022	-5.30629089966979
2023	7.991982643874977