Year	annual %
1979	44.94027991499963
1980	-1.3902932254802831
1981	-17.587798000512688
1982	23.419079909172915
1983	19.950602348908717
1984	34.953985796528976
1985	2.6327261404328195
1986	9.259568271112393
1987	34.651856994099276
1988	32.05716465772352
1989	-0.38415591108196107
1990	9.819643990876385
1991	23.87498304891192
1992	24.472228624106936
1993	15.633650258755566
1994	25.126096842374945
1995	9.210589458529952
1996	15.312934835147129
1997	6.679995325654535
1998	2.5408815215760607
1999	6.970689939456993
2000	0.5624370683797237
2001	-10.136126858071009
2002	6.369892992130341
2003	23.81579542599863
2004	17.72989721324722
2005	46.11819343664039
2006	26.42362598343311
2007	21.70027503372924
2008	8.005310414592847
2009	16.819528428282293
2010	13.32074674376942
2011	25.80151205126593
2012	17.386649662439154
2013	12.386323976216524
2014	5.55985960602908
2015	15.010646215538564
2016	13.439594003759591
2017	3.4978023835524668
2018	6.827190040613279
2019	-3.0640255376633463
2020	6.613893259976359
2021	1.9418016652013517
2022	5.264200814085427