Year	%
1993	-1.4795318275057907
1994	-41.95712884347388
1995	-2.6604963021929096
1996	17.969512536008832
1997	8.024190766199556
1998	7.002279095091408
1999	11.042845216447933
2000	7.412452812561743
2001	5.106261621318532
2002	8.662707330235827
2003	6.9762814144093
2004	7.8310386862313175
2005	7.831188510799491
2006	5.827018614948809
2007	4.848928650508137
2008	4.3201401423764025
2009	8.326308525409523
2010	9.359665061850292
2011	7.884826096042519
2012	7.946716047267549
2013	8.467424126029771
2014	8.42296229391559