pre_text: Unaudited Pro Forma Financial Information The unaudited pro forma financial information in the table below summarizes the combined results of operations for Oracle, Aconex and certain other companies that we acquired since the beginning of fiscal 2018 that were considered relevant for the purposes of unaudited pro forma financial information disclosure as if the companies were combined as of the beginning of fiscal 2018. The unaudited pro forma financial information for all periods presented included the business combination accounting effects resulting from these acquisitions, including amortization charges from acquired intangible assets (certain of which are preliminary), stock-based compensation charges for unvested restricted stock-based awards and stock options assumed, if any, and the related tax effects as though the aforementioned companies were combined as of the beginning of fiscal 2018. The unaudited pro forma financial information as presented below is for informational purposes only and is not necessarily indicative of the results of operations that would have been achieved if the acquisitions had taken place at the beginning of fiscal 2018 or 2019. The unaudited pro forma financial information for fiscal 2019 presented the historical results of Oracle for fiscal 2019 and certain other companies that we acquired since the beginning of fiscal 2019 based upon their respective previous reporting periods and the dates these companies were acquired by us, and the effects of the pro forma adjustments listed above. The unaudited pro forma financial information for fiscal 2018 combined the historical results of Oracle for fiscal 201 8 and the historical results of Aconex for the twelve month period ended December 31, 2017 (adjusted due to differences in reporting periods and considering the date we acquired Aconex) and certain other companies that we acquired since the beginning of fiscal 201 8 based upon their respective previous reporting periods and the dates these companies were acquired by us, and the effects of the pro forma adjustments listed above. The unaudited pro forma financial information was as follows:
table: Year Ended May 31,
table: (in millions, except per share data) 2019 2018
table: Total revenues $39,512 $39,546
table: Net income $11,076 $3,500
table: Basic earnings per share $3.05 $0.85
table: Diluted earnings per share $2.97 $0.83
question: Analyse this data from a financial earnings document. What was the average diluted earnings per share over a 2 year period from 2018 to 2019?