1.019
-0.600
-0.400
-0.200
0.000
0.200
0.400
0.600
0.800
1.000
-0.634
1991
-0.638
1992
-0.642
1993
-0.646
1994
-0.651
1995
-0.655
1996
-0.659
1997
-0.664
1998
-0.668
1999
-0.673
2000
0.416
2001
0.414
2002
0.413
2003
0.411
2004
0.409
2005
1.121
2006
1.109
2007
1.097
2008
1.085
2009
1.073
2010
1.062
2011
1.051
2012
1.040
2013
1.029
2014
1.019
2015
