You can apply multiple sorting conditions to your Tonnage List using the sort icon 
to prioritise your list.
To sort columns,
Click on the sort icon
.Select a column heading by clicking on Add a sort.
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Select the sort order: ascending (smallest to largest or oldest to newest; e.g. A-Z or 0-9) or descending (largest to smallest or newest to oldest; e.g. Z-A or 9-0).
You can add another column to sort by clicking on + Add a Sort.
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You can also order the priority of column to sort by dragging and dropping the six dots above or below another sort option.