pre_text: (23) Dividends Our Board of Directors declared the following dividends payable in 2019 and 2018: The declaration of dividends is solely at the discretion of our Board of Directors, which may change or terminate our dividend practice at any time for any reason without prior notice. On February 27, 2020, our Board of Directors declared a quarterly cash dividend of $0.25 per share.
table: Date Declared Record Date Dividend per Share Total Amount Payment Date
table: (in millions)
table: November 21, 2019 12/2/2019 $0.250 $273 12/13/2019
table: August 22, 2019 9/2/2019 0.250 273 9/13/2019
table: May 23, 2019 6/3/2019 0.250 274 6/14/2019
table: March 1, 2019 3/12/2019 0.250 273 3/22/2019
table: November 14, 2018 11/26/2018 0.540 586 12/7/2018
table: August 21, 2018 8/31/2018 0.540 584 9/14/2018
table: May 23, 2018 6/4/2018 0.540 588 6/15/2018
table: February 21, 2018 3/5/2018 0.540 586 3/16/2018
question: Analyse this data from a financial earnings document. What is the average total amount of dividend value for 2018 and 2019?