year OHC.0-700m including.700-2000m
1955 -3.201 -3.201
1956 -2.608 -2.608
1957 -4.613 -4.613
1958 -1.533 -1.533
1959 -2.189 -2.189
1960 -1.442 -1.442
1961 -2.115 -2.115
1962 -1.075 -1.075
1963 -2.272 -2.272
1964 -3.121 -3.121
1965 -3.06 -3.06
1966 -3.944 -3.944
1967 -4.361 -4.361
1968 -5.728 -5.728
1969 -4.481 -4.481
1970 -5.298 -5.298
1971 -3.767 -3.767
1972 -5.239 -5.239
1973 -3.519 -3.519
1974 -2.775 -2.775
1975 -1.551 -1.551
1976 -2.603 -2.603
1977 0.032 0.032
1978 0.052 0.052
1979 -0.96 -0.96
1980 1.091 1.091
1981 0.122 0.122
1982 -2.306 -2.306
1983 -2.763 -2.763
1984 -0.459 -0.459
1985 0.11 0.11
1986 -1.037 -1.037
1987 -0.893 -0.893
1988 1.088 1.088
1989 0.903 0.903
1990 0.177 0.177
1991 2.646 2.646
1992 0.572 0.572
1993 0.684 0.684
1994 1.51 1.51
1995 2.264 2.264
1996 4.544 4.544
1997 3.245 3.245
1998 4.304 4.304
1999 5.943 5.943
2000 5.857 5.857
2001 4.117 4.117
2002 6.789 6.789
2003 9.952 9.952
2004 10.24 10.24
2005 8.412 8.412
2006 10.43 10.812
2007 9.478 10.612
2008 10.052 11.512
2009 10.126 11.612
2010 10.367 12.712
2011 10.869 13.612
2012 10.941 14.412