Sorry, I didn't understand well your question.
Do you want to go higher than 70mm3, right?
That is the duration map. Injector opening time for a given pressure and IQ requested.
It's easy, set last column to ex. 80mm3.
Extrapolate all values on that column from the 70mm column, ex:
It's not 100% exact but It gets close. Do that for all column values.