The table is showing all data even if a curve is invisible. Depending on the amount of data the size of the table can be real big.
Big amount of data making the table unclear. This is the reason to have the capability to disable this calculation individual for each device (visibility configuration).
Hint: Using a cursor it is possible to navigate within the table and select table content. Afterward the selected part can be copied into clip board by Ctrl+C as usual. Typing Crtl+A and Crtl+C the complete table gets copied into the clip board. This can take several seconds depending on the table size. Afterwards the clip board content can be past into an opened table calculation application.