Year	%
1986	8.555625925044984
1987	13.866046798837733
1988	11.19027450979083
1989	14.200659143947462
1990	-5.09823082650433
1991	15.286572756966917
1992	11.458059367642681
1993	8.358405003618861
1994	14.54666916824739
1995	19.541324538525416
1996	20.95820731772695
1997	14.438880894453298
1998	23.378148462896384
1999	14.919570901239043
2000	-11.137955919729846
2001	13.332480838669126
2002	9.775204901670717
2003	7.823797977733095
2004	7.270509662507413
2005	9.362613829669028
2006	6.6972959736938735
2007	9.676444380406812
2008	8.821016978067531
2009	8.594547353572958
2010	5.372224026613099
2011	4.542964842422207
2012	8.655350953777473
2013	8.907974410377603
2014	8.442949351943607
2015	8.785473732014
2016	9.032095057226405
2017	8.134491127579228
2018	7.153069489828443
2019	7.467547258619218
2020	8.246607615529696
2021	1.424587394016322
2022	0.819154152685682
2023	13.806503337020958