Table 5: Results with different proportion of the shifting berth operation.

Number of shipsResults with different proportion of the shifting-berth operation
0%15%2GAP1a10%3GAP2b15%4GAP3c20%5GAP4d

10267528456.36%307613.04%322420.52%341527.66%
15395242056.40%451812.53%470319.00%496125.53%
20520654855.36%582410.61%612117.58%645223.93%
25650368575.44%733111.29%771518.64%803523.56%
30795183815.41%912212.84%942318.51%973122.39%

Average//5.79%/12.06%/18.85%/24.61%

(value of 2 − value of 1)/value of 1 × 100%; (value of 3 − value of 1)/value of 1 × 100%; (value of 4 − value of 1)/value of 1 × 100%; d(value of 5 − value of 1)/value of 1 × 100%.