Year  Edition  North  South   N-S   Summary
1971    01       30      0    1-0    1971
1972    02        6     24    1-1    1972
1973    03        0     21    1-2    1973
1974    04       12     20    1-3    1974
1975    05        6      7    1-4    1975
1976    06        0     20    1-5    1976
1977    07        7      0    2-5    1977
1978    08        0     12    2-6    1978
1979    09        6     13    2-7    1979


1980    10       23     20    3-7    1980
1981    11       10      7    4-7    1981
1982    12        6     17    4-8    1982
1983    13        7      0    5-8    1983
1984    14        7     24    5-9    1984
1985    15       10      0    6-9    1985
1986    16       21     17    7-9    1986
1987    17       25     13    8-9    1987
1988    18        3     14    8-10   1988
1989    19       12     28    8-11   1989


1990    20        0     15    8-12   1990
1991    21        6      0    9-12   1991
1992    22       51      9   10-12   1992
1993    23       14     41   10-13   1993
1994    24       28     33   10-14   1994
1995    25        3     14   10-15   1995
1996    26       35     32   11-15   1996
1997    27       25     14   12-15   1997
1998    28       14     35   12-16   1998
1999    29       13     45   12-17   1999


2000    30       20     48   12-18   2000
2001    31       26     25   13-18   2001
2002    32       40     20   14-18   2002
2003    33       28     30   14-19   2003
2004    34        0      7   14-20   2004
2005    35       21     14   15-20   2005
2006    36       36     46   15-21   2006
2007	37	 10	14   15-22   2007
2008    38        0     33   15-23   2008