1 1982 -8.83  3.23
2 1982 -6.00 -2.47
3 1982 10.02 21.09
4 1982 12.94 24.74
1 1983 10.01  9.11
2 1983  9.55 17.12
3 1983 -3.00  4.45
4 1983 -2.09 -6.34
1 1984 -4.68 -9.39
2 1984 -4.19 -6.96
3 1984  6.29 14.42
4 1984 -0.77 -2.83
1 1985  8.93  4.91
2 1985  5.30 -3.62
3 1985 -4.50  0.56
4 1985 12.61 19.16