#   V     V_i    log(z)  z
 11.60  11.39  -1.907  0.012
 13.34  13.32  -1.750  0.018
 13.21  13.13  -1.697  0.020
 12.56  12.53  -1.690  0.020
 12.01  12.13  -1.654  0.022
 13.21  13.15  -1.636  0.023
 13.61  13.41  -1.575  0.027
 12.95  12.75  -1.564  0.027
 14.28  14.11  -1.542  0.029
 13.22  13.00  -1.504  0.031
 12.78  12.88  -1.519  0.030
 13.48  13.39  -1.498  0.032
 13.20  13.08  -1.492  0.032
 14.52  14.46  -1.470  0.034
 14.10  14.04  -1.463  0.034
 14.00  13.99  -1.460  0.035
 13.58  13.51  -1.457  0.035
 13.62  13.77  -1.455  0.035
 13.86  13.75  -1.455  0.035
 13.83  13.76  -1.424  0.038
 14.20  14.14  -1.418  0.038
 14.21  14.07  -1.412  0.039
 14.13  13.77  -1.408  0.039
 14.37  14.03  -1.394  0.040
 14.77  14.67  -1.389  0.041
 14.26  14.27  -1.369  0.043
 14.33  14.10  -1.366  0.043
 14.49  14.47  -1.358  0.044
 14.40  14.26  -1.357  0.044
 14.74  14.65  -1.356  0.044
 14.23  13.96  -1.304  0.050
 14.74  14.77  -1.287  0.052
 14.29  14.18  -1.279  0.053
 14.48  14.30  -1.276  0.053
 14.34  13.94  -1.270  0.054
 15.36  15.14  -1.188  0.065
 15.06  14.89  -1.144  0.072
 15.25  15.14  -1.114  0.077
 14.44  14.49  -1.110  0.078
 15.95  15.52  -1.044  0.090
 17.35  18.05  -0.866  0.136
 17.40  17.06  -0.815  0.153
 16.75  16.92  -0.738  0.183
 16.80  16.71  -0.692  0.202
 18.15  18.04  -0.623  0.235
 18.90  18.73  -0.585  0.260
 19.05  18.75  -0.569  0.270
 18.20  18.16  -0.569  0.270
 17.90  17.85  -0.569  0.270
 18.80  18.74  -0.561  0.275
 18.35  18.05  -0.552  0.280
 17.95  17.92  -0.544  0.286
 18.65  18.39  -0.523  0.300
 18.65  18.42  -0.516  0.305
 19.00  18.75  -0.482  0.330
 18.45  18.54  -0.442  0.361
 18.75  18.85  -0.428  0.373
 19.40  19.26  -0.414  0.385
 18.35  18.43  -0.420  0.380
 18.10  18.28  -0.332  0.465