I found some tricks that may be needed someday and I gathered them here:
Table in whatif analysis in Excel is useful. The excel file can be found as Monte Carlo Simulation Valentine (Xlsx file).
Chart data label formatting:
To do this you can go to the following link from Microsoft:
Insert a chart and add data labels.
Choose format and in the right pane choose
label option> Number > number code
Then you can format your numbers referring to the number format code link provided above. For example:
If you want to omit the labels with values less than 12 use the following code:
The first  says that if value is less than 12 then put null ("")