1981 01 28.57  18.77  23.67 
1981 02 29.52  21.58  25.55 
1981 03 29.24  17.79  23.52 
1981 04 27.14  14.51  20.82 
1981 05 23.80  11.02  17.41 
1981 06 21.24   7.33  14.28 
1981 07 21.50   6.52  14.01 
1981 08 23.29   5.55  14.42 
1981 09 25.53   9.71  17.62 
1981 10 25.88  11.65  18.76 
1981 11 27.01  16.62  21.81 
1981 12 30.36  19.61  24.98 
1982 01 29.60  20.89  25.24 
1982 02 29.54  19.92  24.73 
1982 03 28.20  19.14  23.67 
1982 04 26.22  15.10  20.66 
1982 05 23.98  11.41  17.69 
1982 06 20.70   4.30  12.50 
1982 07 21.05   4.01  12.53 
1982 08 21.98   9.18  15.58 
1982 09 24.68   9.35  17.01 
1982 10 26.81  10.81  18.81 
1982 11 28.10  14.45  21.27 
1982 12 29.73  17.39  23.56 
1983 01 29.16  17.48  23.32 
1983 02 31.44  18.20  24.82 
1983 03 29.40  18.59  23.99 
1983 05 23.61  14.83  19.22 
1983 06 21.08   8.74  14.91 
1984 02 28.22  18.66  23.43 
1984 03 28.39  17.18  22.78 
1984 04 99.99  15.00 -99.99 
1984 05 23.86  10.84  17.35 
1984 06 99.99  10.66 -99.99 
1984 07 99.99   8.05 -99.99 
1984 08 23.06   6.30  14.68 
1984 09 25.40   7.46  16.43 
1984 11 27.68  15.92  21.80 
1984 12 30.31  18.29  24.30 
1985 01 31.75 -99.99 -99.99 
1991 08 24.63   5.31  14.96 
1991 09 28.00   7.40  17.70 
1991 10 27.96  12.89  20.42 
1991 11 30.11  16.56  23.33 
1992 02 29.95  20.26  25.10 
1992 10 99.99  10.58 -99.99 
1994 08 22.30   5.72  14.00 
1997 09 25.59  11.33  18.45 
2000 09 27.27   9.31  18.29 
2001 08 23.62   4.04  13.83 
2001 09 25.10  10.27  17.68 
