Year	%
1985	-17.885479994926435
1986	-8.907682262303165
1987	7.948365223586042
1988	18.080588334567214
1989	11.514995250767267
1990	12.982206210834066
1991	-45.94845708137223
1992	24.325612223633584
1993	19.916823553236753
1994	20.45012127281418
1995	20.27487219296455
1996	15.808486264458269
1997	33.466792257617094
1998	18.938273306660406
1999	27.09540133606935
2000	21.310565847745526
2001	21.800959615058495
2002	12.327647118311297
2003	14.561801970094614
2004	-29.708059235565614
2005	29.585760793675878
2006	28.080845303774506
2007	22.508146507746616
2008	23.931643524605388
2009	21.515628628387688
2010	20.21468541187548
2011	22.40355814853612
2012	23.26043865363287
2013	20.83094149283598
2014	22.134678727318338
2017	24.131896309085842
2018	19.680120427551135
2019	20.468086581481643
2020	25.258395643986855
2021	11.284817991327534