2019
2019
0.2
0.4
0.6
0.8
1.0C
-0.02C
1960
0.06C
1961
0.04C
1962
0.05C
1963
-0.20C
1964
-0.11C
1965
-0.06C
1966
-0.02C
1967
-0.08C
1968
0.06C
1969
0.03C
1970
-0.08C
1971
0.01C
1972
0.16C
1973
-0.07C
1974
-0.01C
1975
-0.10C
1976
0.18C
1977
0.07C
1978
0.17C
1979
0.26C
1980
0.32C
1981
0.14C
1982
0.31C
1983
0.16C
1984
0.12C
1985
0.18C
1986
0.32C
1987
0.39C
1988
0.27C
1989
0.45C
1990
0.41C
1991
0.22C
1992
0.23C
1993
0.32C
1994
0.45C
1995
0.33C
1996
0.47C
1997
0.61C
1998
0.39C
1999
0.40C
2000
0.54C
2001
0.63C
2002
0.63C
2003
0.54C
2004
0.68C
2005
0.64C
2006
0.67C
2007
0.55C
2008
0.66C
2009
0.73C
2010
0.61C
2011
0.65C
2012
0.69C
2013
0.75C
2014
0.90C
2015
1.02C
2016
0.93C
2017
0.85C
2018
0.98C
2019
