For the number of open access articles: Count the number of open access scientific articles (total/gold/green) published during the reporting period by the initiative/project. For the sake of comparison, the initiative/project shall report the same figure for the two prior reporting periods. For the percentage of open access articles: divide the total number of open access scientific articles (total/gold/green) by the total number of publications during the reporting period, and multiply the result times 100.