DATE Glob Nhem Trop Shem 
1973   -4.04   -4.06   -4.46   -3.30
1974   -4.81   -4.48   -6.51   -4.69
1975   -3.98   -3.45   -6.56   -3.41
1976   -5.06   -4.74   -6.56   -4.58
1977   -3.57   -3.06   -6.00   -2.38
1978   -4.51   -4.01   -6.01   -4.36
1979   -3.08   -2.54   -4.64   -3.40
1980   -3.50   -3.65   -3.89   -1.82
1981   -3.09   -2.76   -4.44   -2.72
1982   -4.14   -4.07   -4.77   -3.31
1983   -2.48   -3.21   -0.03   -2.56
1984   -4.36   -4.28   -4.72   -4.09
1985   -4.37   -4.42   -5.25   -2.20
1986   -3.86   -3.67   -5.06   -2.66
1987   -1.97   -2.54   -0.28   -2.19
1988   -2.66   -2.61   -3.06   -2.19
1989   -2.76   -1.93   -4.95   -3.07
1990   -1.25   -0.84   -2.13   -1.78
1991   -2.57   -2.19   -3.74   -2.51
1992   -3.65   -3.81   -2.95   -4.06
1993   -3.58   -3.73   -3.89   -2.32
1994   -2.37   -2.20   -3.54   -1.00
1995   -1.36   -0.93   -2.15   -1.92
1996   -2.69   -2.94   -2.53   -1.87
1997   -1.89   -2.00   -1.20   -2.41
1998    1.57    0.50    5.41   -0.18
1999   -1.06    0.09   -3.43   -2.03
2000   -2.23   -1.34   -3.90   -3.35
2001   -1.46   -0.98   -2.50   -1.86
2002    0.55    0.72    0.02    0.68
2003   -0.63   -0.52   -1.16   -0.31
2004   -1.22   -1.03   -2.18   -0.49
2005   -0.14   -0.34   -0.06    0.44
2006   -0.11    0.78   -2.11   -0.47
2007   -0.14    0.75   -2.49    0.27
2008   -1.23   -0.22   -3.89   -0.87
2009   -0.24   -0.78    0.39    0.97
2010    2.02    2.11    3.71   -1.60
2011   -1.31   -0.66   -2.48   -1.92
2012   -0.54   -0.22   -1.37   -0.35
2013    0.24   -0.14   -0.07    2.44
2014    0.48    0.62   -0.20    1.14
2015    2.86    2.65    4.25    1.29
2016    3.98    2.86    7.48    2.37
2017    2.18    2.25    1.59    2.92
2018    1.60    1.70    0.56    3.05
2019    3.34    2.08    5.01    5.51
2020    3.96    3.57    5.19    3.32
2021    2.99    3.89    1.41    2.11
2022    2.07    3.32   -0.19    0.78
2023    6.23    6.00    7.03    5.68
2024    7.40    6.09   11.42    6.20