1975 01  2.60  -2.47    . 6 
1975 02  2.00  -4.83  -1.41 
1975 03  4.67  -1.10   1.79 
1975 04  6.84    .96   3.90 
1975 05 10.82   3.14   6.98 
1975 06 10.68   6.06   8.37 
1975 07 14.47 -99.99 -99.99 
1975 08 14.21   9.13  11.67 
1975 09 13.51   7.97  10.74 
1975 10  9.37   4.38   6.87 
1975 11  4.04    .31   2.17 
1975 12  3.52    .15   1.83 
1976 01  3.62   -.14   1.73 
1976 02  2.70  -2.02    .34 
1976 03  4.89   -.33   2.28 
1976 04  8.38   1.95   5.16 
1976 05  9.24   4.41   6.82 
1976 06 11.79   7.08   9.43 
1976 08 15.28   9.07  12.17 
1976 10  9.64   5.33   7.48 
1976 11 99.99   4.32 -99.99 
1977 02  7.93   3.63   5.78 
1977 03  5.13    .92   3.02 
1977 04  8.92   2.87   5.89 
1977 05 11.42   3.76   7.59 
1977 06 13.43   8.12  10.77 
1977 08 16.96  10.31  13.64 
1977 09 14.31   6.86  10.58 
1977 10 10.14   4.89   7.51 
1977 11  4.54   -.68   1.93 
1977 12   .10  -3.15  -1.52 
1978 01  3.14  -1.70    .72 
1978 02  6.38    .17   3.27 
1978 03  5.85    .81   3.33 
1978 04  8.84   2.59   5.71 
1978 05 10.60   3.99   7.29 
1978 06 13.32   8.24  10.78 
1978 07 99.99   9.20 -99.99 
