Year	annual %
1971	9.058079833232455
1972	9.561023832388813
1973	10.83046626383765
1974	6.034327197889056
1975	2.063667680621492
1976	7.509119101745185
1977	2.331275726008485
1978	1.7761102089877596
1979	3.9317454226158333
1980	6.038434999882369
1981	-7.231274473080276
1982	-2.4826626912515195
1983	-5.771717180428837
1984	3.2310648688027186
1985	6.014989582382469
1986	6.201584505834916
1987	2.271700624633951
1988	-2.200006254182256
1989	11.027171053245539
1990	-13.09223778907841
1991	-0.29569276004254164
1992	-1.8472102160894224
1993	2.6800502534512987
1994	2.6952689841338753
1995	5.172113112244773
1996	0.71173683075952
1997	1.5291885898447504
1998	-1.5375994231095689
1999	-1.9212331684721846
2000	3.190755794577086
2001	-0.2929501137375752
2002	1.6445302322766793
2003	0.13947242927454795
2004	4.772940438413343
2005	2.1376857338251796
2006	3.22668806661801
2007	5.37538572864031
2008	3.7095506573447494
2009	-0.8344312483306311
2010	5.530893053418765
2011	3.543612096382148
2012	1.1000219192534075
2013	3.279839222771969
2014	-0.8235395030112045
2015	-4.354417924373394
2016	-4.28699357388021
2017	0.7673638844463113
2018	0.05071343731053446
2019	0.5591708461784322
2020	-3.3403977588034053
2021	3.0832695992652788
2022	2.7567927067770484
2023	2.374381067919856