If you have a PDF file that you want to use to cite and source to support your research on WikiRate:
To do this, first go to the page of the metric that you want to answer.
On the left side of the screen, select the year that your answer is referring to.
On the right side, "select upload file source"
Browse the file from your computer (Make sure it has a .PDF file extension)
Fill out the main info of your source (Name, Year, Type of Report)
It is done!
Thank you for your contribution.