Year	annual %
1969	-9.081562110315986
1970	5.01198528169877
1971	-3.1115492004106073
1972	3.1650378206886387
1973	-9.074473703030606
1974	0.8763289025177414
1975	4.376117444181986
1976	6.839006573075039
1977	-4.80534395031242
1978	-6.625879465558469
1979	4.945334426893851
1980	1.2791368822143454
1981	1.9668672279423731
1982	5.308621039784484
1983	-8.080303697346707
1984	0.3136705265727642
1985	0.7350133182935252
1986	0.4004586896337372
1987	3.1864279314255413
1988	-3.866989231760698
1989	1.329637428817179
1990	-3.1282041435216854
1991	-0.2773450218211906
1992	-0.5721004035295465
1993	-2.2251829746172547
1994	-2.6246482184387645
1995	3.0617933188689364
1996	0.8150189360118105
1997	0.5526083331256899
1998	3.8345128861834183
1999	3.2531324723362047
2000	1.4206717658398418
2001	2.1001909108047556
2002	-2.53268990512467
2003	3.375370714153192
2004	2.263996222761861
2005	1.7566956496923183
2006	-0.041105610606990695
2007	0.16641664373469212
2008	1.251293369202216
2009	-0.7286768738331517
2010	0.7455391862980036
2011	-1.9990884480868658
2012	1.1171243590676312
2013	-0.38223393110136783
2014	3.060556003487733
2015	2.784896032634748
2016	3.4282908231554075
2017	4.326349426290548
2018	3.614152866002641
2019	1.8138927228972221
2020	-0.37585475602966767
2021	2.803043056379664
2022	0.5291242913187659
2023	0.7164630195706678