Year	annual %
1981	11.472064834100237
1982	-2.257405028705122
1983	1.3429936068260133
1984	-2.4425777076129407
1985	-12.963873735539224
1986	10.555617159862905
1987	15.032707197271051
1988	-5.4447720202247325
1989	7.8156626887063965
1990	8.758554958076559
1991	9.867897393923911
1992	4.7587694460633685
1993	-1.8143543417752142
1994	1.627507126022138
1995	6.088872334094745
1996	1.1852888364269205
1997	3.870642439701271
1998	3.9568857802326107
1999	0.7927090157567847
2000	5.629603428540108
2001	0.3931939007248815
2002	6.491012247142791
2003	7.35251542625619
2004	8.79740516887236
2005	-0.11280066677137768
2006	7.804645357443988
2007	3.250558600626377
2008	2.6957857826997156
2009	0.04198549419993469
2010	3.8586748866243283
2011	6.249761306287311
2012	5.203987879249155
2013	9.563996131283488
2014	5.755759369148208
2015	4.689880813173872
2016	-1.858046607288344
2017	-0.9207038703964372
2018	-0.9851395731536741
2019	0.4909332559085442
2020	-6.031364938331592
2021	-0.13406659415824151
2022	5.022392006472927
2023	3.091196514899579