Try the stack command.
Click Tables > Stack.
Select the columns .54 through Plateau, and click Stack Columns
Click OK
In the resulting stacked table, do a tabulation
Click on Tables > Tabulate (JMP 10, 9, 8), or Analyze > Tabulate
Drag Data to the drop zone for rows
Right click on the word Data and select Use as Grouping column
Drag Label on top of N
Drag All on top of Label
This will show individual counts as well as the total.