Year	annual %
1978	10.535745803786284
1979	-18.35928548981255
1980	13.383182271604596
1981	10.82933099576924
1982	4.127683496097873
1983	2.556318036550678
1984	4.196646829808955
1985	1.4209332166532676
1986	7.07335649692142
1987	6.307561115684891
1988	7.8166230128954055
1989	-0.1911365056188714
1990	5.4179835664061216
1991	1.347764999739809
1992	2.0294208256315613
1993	2.1614141032899425
1994	0.034481484674216745
1995	3.0308626017160947
1996	3.1042022630327466
1997	2.185627701614294
1998	3.774226839198434
1999	0.354079012075843
2000	2.3402193206939046
2001	-0.06384472961757126
2002	-2.8279988926510384
2003	6.353137121693592
2004	3.0506902946630987
2005	0.6558622689235278
2006	4.659455486357373
2007	6.352972439450298
2008	7.121057985757886
2009	-1.1695906432748586
2010	0.6726344004450482
2011	-0.22355068823470958
2012	-1.0590002433518748
2013	-0.99994063117542
2014	4.753786580768974
2015	-2.731503062718261
2016	2.763647981704608
2017	-6.6189946328053395
2018	3.54758441831531
2019	5.502483436704097
2020	-16.60410952312209
2021	6.890549416731602
2022	5.583546262640795
2023	4.7122381853196345