Table 3.

Values of ${\beta }_i$ and $\overline{{\beta }_i}$ for each inland freight station (T = 180).

No. of inland freight station	${\beta }_i$	$\overline{{\beta }_i}$	No. of inland freight station	${\beta }_i$	$\overline{{\beta }_i}$
1	0.93	0.93	11	0.96	0.97
2	0.97	0.96	12	0	0.02
3	0.98	0.99	13	0.96	0.97
4	0.93	0.91	14	0	0.02
5	0.92	0.91	15	0	0.02
6	0.93	0.94	16	0.94	0.95
7	0	0.02	17	0	0.02
8	0.95	0.95	18	0.97	0.99
9	0.98	0.97	19	0.96	0.98
10	0.95	0.95	20	0	0.02