the aes corporation notes to consolidated financial statements 2014 ( continued ) december 31 , 2017 , 2016 , and 2015 on december 8 , 2017 , the board of directors declared a quarterly common stock dividend of $ 0.13 per share payable on february 15 , 2018 to shareholders of record at the close of business on february 1 , 2018 . stock repurchase program 2014 no shares were repurchased in 2017 . the cumulative repurchases from the commencement of the program in july 2010 through december 31 , 2017 totaled 154.3 million shares for a total cost of $ 1.9 billion , at an average price per share of $ 12.12 ( including a nominal amount of commissions ) . as of december 31 , 2017 , $ 246 million remained available for repurchase under the program . the common stock repurchased has been classified as treasury stock and accounted for using the cost method . a total of 155924785 and 156878891 shares were held as treasury stock at december 31 , 2017 and 2016 , respectively . restricted stock units under the company's employee benefit plans are issued from treasury stock . the company has not retired any common stock repurchased since it began the program in july 2010 . 15 . segments and geographic information the segment reporting structure uses the company's organizational structure as its foundation to reflect how the company manages the businesses internally and is organized by geographic regions which provides a socio- political-economic understanding of our business . during the third quarter of 2017 , the europe and asia sbus were merged in order to leverage scale and are now reported as part of the eurasia sbu . the management reporting structure is organized by five sbus led by our president and chief executive officer : us , andes , brazil , mcac and eurasia sbus . the company determined that it has five operating and five reportable segments corresponding to its sbus . all prior period results have been retrospectively revised to reflect the new segment reporting structure . in february 2018 , we announced a reorganization as a part of our ongoing strategy to simplify our portfolio , optimize our cost structure , and reduce our carbon intensity . the company is currently evaluating the impact this reorganization will have on our segment reporting structure . corporate and other 2014 corporate overhead costs which are not directly associated with the operations of our five reportable segments are included in "corporate and other." also included are certain intercompany charges such as self-insurance premiums which are fully eliminated in consolidation . the company uses adjusted ptc as its primary segment performance measure . adjusted ptc , a non-gaap measure , is defined by the company as pre-tax income from continuing operations attributable to the aes corporation excluding gains or losses of the consolidated entity due to ( a ) unrealized gains or losses related to derivative transactions ; ( b ) unrealized foreign currency gains or losses ; ( c ) gains , losses and associated benefits and costs due to dispositions and acquisitions of business interests , including early plant closures ; ( d ) losses due to impairments ; ( e ) gains , losses and costs due to the early retirement of debt ; and ( f ) costs directly associated with a major restructuring program , including , but not limited to , workforce reduction efforts , relocations , and office consolidation . adjusted ptc also includes net equity in earnings of affiliates on an after-tax basis adjusted for the same gains or losses excluded from consolidated entities . the company has concluded adjusted ptc better reflects the underlying business performance of the company and is the most relevant measure considered in the company's internal evaluation of the financial performance of its segments . additionally , given its large number of businesses and complexity , the company concluded that adjusted ptc is a more transparent measure that better assists investors in determining which businesses have the greatest impact on the company's results . revenue and adjusted ptc are presented before inter-segment eliminations , which includes the effect of intercompany transactions with other segments except for interest , charges for certain management fees , and the write-off of intercompany balances , as applicable . all intra-segment activity has been eliminated within the segment . inter-segment activity has been eliminated within the total consolidated results . the following tables present financial information by segment for the periods indicated ( in millions ) : .
what percentage was andes sbu of total revenue in 2017?
.