Year	annual %
1975	0.35546306830352137
1976	20.155394356708328
1977	10.91669705566629
1978	6.775834422261198
1979	22.56242876382106
1980	-6.996702984024708
1981	-19.826715864743477
1982	3.956654938382684
1983	0.5014659658578751
1984	0.5998765417243703
1985	-1.4907490803360872
1986	-2.7154699532441526
1987	2.009129813628377
1988	1.0973671657358324
1989	-1.074178572620923
1990	1.0894205354875766
1991	3.145941361662665
1992	4.7585808455215926
1993	0.3045728741418685
1994	3.1453973953587564
1995	4.478707339837484
1996	2.87831774721235
1997	-1.4711715721825698
1998	-0.5585088510974714
1999	3.0521571416020805
2000	2.8494218578272665
2001	2.7440405176520244
2002	3.872096967042978
2003	2.903955476531152
2004	0.5043182526873267
2005	0.38750720823207985
2006	4.3977196775217635
2007	0.15458181174277286
2008	-1.9397146378467056
2009	-1.764535541326012
2010	2.598965746432256
2011	3.7453183520599396
2012	0.9128416709644114
2013	-2.1260285174017497
2014	-2.508352566445609
2015	-0.3923837495020308
2016	-2.477917718332236
2017	1.328602551617152
2018	0.05223779077677193
2019	3.8691098650684523
2020	1.133573349524596
2021	-1.590762600996058
2022	-1.6283315451510845
2023	1.407068229255188