Year	annual %
1973	11.608260197485095
1974	18.30307965326125
1975	0.7218865083554107
1976	9.913249301881976
1977	-2.1750256893720348
1978	-5.816944650776506
1979	0.32937396430376964
1980	-10.547091558319124
1981	-2.9492889152999595
1982	7.838131416818001
1983	2.2980187195926476
1984	-0.07965408849887012
1985	-0.21838545168732537
1986	-5.441451018206678
1987	5.282838230360937
1988	-7.623879887500976
1989	2.4145527695277593
1990	2.8234121137731023
1991	1.3081529749823204
1992	1.1671177191736604
1993	3.792954717532382
1994	0.4100371393864606
1995	-0.6134752847846414
1996	4.072615895990012
1997	-0.20285600637313905
1998	0.9181714089606174
1999	4.1296929084725775
2000	2.20461299015777
2001	2.5680696847917517
2002	3.2104434801394603
2003	2.6671228002997935
2004	3.681862136665231
2005	3.6012393903203304
2006	4.0059796488011585
2007	5.869799033463565
2008	2.884988481370783
2009	0.05618547321013523
2010	2.961277850221421
2011	30.347893358532815
2012	-2.242085080489616
2013	-2.418491185918697
2014	-1.2256035030060843
2015	-2.751950035093671
2016	4.541271287482147
2017	1.5505133695306057
2018	-1.401322737131224
2019	-2.3176942675333265
2020	-6.328080710203295
2021	6.293955409693666
2022	2.469593491885334