pre_text: five-year performance comparison 2013 the following graph provides an indicator of cumulative total shareholder returns for the corporation as compared to the peer group index ( described above ) , the dow jones , and the s&p 500 . the graph assumes that the value of the investment in the common stock of union pacific corporation and each index was $ 100 on december 31 , 2005 and that all dividends were reinvested . purchases of equity securities 2013 during 2010 , we repurchased 17556522 shares of our common stock at an average price of $ 75.51 . the following table presents common stock repurchases during each month for the fourth quarter of 2010 : period total number of shares purchased [a] average price paid per share total number of shares purchased as part of a publicly announced plan or program [b] maximum number of shares that may yet be purchased under the plan or program [b] .
post_text: [a] total number of shares purchased during the quarter includes approximately 563220 shares delivered or attested to upc by employees to pay stock option exercise prices , satisfy excess tax withholding obligations for stock option exercises or vesting of retention units , and pay withholding obligations for vesting of retention shares . [b] on may 1 , 2008 , our board of directors authorized us to repurchase up to 40 million shares of our common stock through march 31 , 2011 . we may make these repurchases on the open market or through other transactions . our management has sole discretion with respect to determining the timing and amount of these transactions . on february 3 , 2011 , our board of directors authorized us to repurchase up to 40 million additional shares of our common stock under a new program effective from april 1 , 2011 through march 31 , 2014. .
table: <i>Period</i> <i>Total Number ofSharesPurchased [a]</i> <i>AveragePrice PaidPer Share</i> <i>Total Number of SharesPurchased as Part of aPublicly Announced Planor Program [b]</i> <i>Maximum Number ofShares That May Yet</i><i>Be Purchased Under the Planor Program [b]</i>
table: Oct. 1 through Oct. 31 725,450 84.65 519,554 17,917,736
table: Nov. 1 through Nov. 30 1,205,260 89.92 1,106,042 16,811,694
table: Dec. 1 through Dec. 31 1,133,106 92.59 875,000 15,936,694
table: Total 3,063,816 $89.66 2,500,596 N/A
question: Analyse this data from a financial earnings document. for the quarter ended december 312010 what was percent of the total number of shares purchased in november