issuer purchases of equity securities ( registered pursuant to section 12 of the exchange act ) period number of shares purchased average price paid per share number of shares purchased as part of publicly announced plans or programs maximum approximate dollar value of shares that may yet be purchased under the plans or programs ( 1 ) ( millions ) .
( 1 ) the total number of shares purchased includes : ( i ) shares purchased under the board 2019s authorizations described above , and ( ii ) shares purchased in connection with the exercise of stock options ( which totaled 34068 shares in january 2007 , 20091 shares in february 2007 , 35772 shares in march 2007 , 71521 shares in april 2007 , 225419 shares in may 2007 , 74233 shares in june 2007 , 135951 shares in july 2007 , 82178 shares in august 2007 , 56964 shares in september 2007 , 13802 shares in october 2007 , 10375 shares in november 2007 , and 23112 shares in december 2007 ) . .
Period Total Number of Shares Purchased  (1) Average Price Paid per Share Total Number of Shares Purchased as Part of Publicly Announced Plans or Programs Maximum Approximate Dollar Value of Shares that May Yet Be Purchased under the Plans or Programs  (Millions)
January 1-31, 2007 1,311,268 $76.33 1,277,200 $651
February 1-28, 2007 6,542,591 $75.12 6,522,500 $6,731
March 1-31, 2007 8,187,472 $75.59 8,151,700 $6,115
Total January 1 — March 31, 2007 16,041,331 $75.46 15,951,400 $6,115
April 1-30, 2007 3,548,221 $77.55 3,476,700 $5,846
May 1-31, 2007 4,428,219 $85.84 4,202,800 $5,485
June 1-30, 2007 3,885,033 $86.58 3,810,800 $5,155
Total April 1 — June 30, 2007 11,861,473 $83.60 11,490,300 $5,155
July 1-31, 2007 1,646,251 $89.01 1,510,300 $5,021
August 1-31, 2007 2,329,478 $87.05 2,247,300 $4,825
September 1-30, 2007 2,086,564 $90.24 2,029,600 $4,642
Total July 1 — September 30, 2007 6,062,293 $88.68 5,787,200 $4,642
October 1-31, 2007 2,192,302 $88.89 2,178,500 $4,448
November 1-30, 2007 1,702,375 $82.35 1,692,000 $4,309
December 1-31, 2007 1,896,612 $85.41 1,873,500 $4,149
Total October 1 — Dec. 31, 2007 5,791,289 $85.83 5,744,000 $4,149
Total January 1 — December 31, 2007 39,756,386 $81.42 38,972,900 $4,149
period total number of shares purchased ( 1 ) average price paid per share total number of shares purchased as part of publicly announced plans or programs maximum approximate dollar value of shares that may yet be purchased under the plans or programs ( millions )
january 1-31 2007 1311268 $ 76.33 1277200 $ 651
february 1-28 2007 6542591 $ 75.12 6522500 $ 6731
march 1-31 2007 8187472 $ 75.59 8151700 $ 6115
total january 1 2014 march 31 2007 16041331 $ 75.46 15951400 $ 6115
april 1-30 2007 3548221 $ 77.55 3476700 $ 5846
may 1-31 2007 4428219 $ 85.84 4202800 $ 5485
june 1-30 2007 3885033 $ 86.58 3810800 $ 5155
total april 1 2014 june 30 2007 11861473 $ 83.60 11490300 $ 5155
july 1-31 2007 1646251 $ 89.01 1510300 $ 5021
august 1-31 2007 2329478 $ 87.05 2247300 $ 4825
september 1-30 2007 2086564 $ 90.24 2029600 $ 4642
total july 1 2014 september 30 2007 6062293 $ 88.68 5787200 $ 4642
october 1-31 2007 2192302 $ 88.89 2178500 $ 4448
november 1-30 2007 1702375 $ 82.35 1692000 $ 4309
december 1-31 2007 1896612 $ 85.41 1873500 $ 4149
total october 1 2014 dec . 31 2007 5791289 $ 85.83 5744000 $ 4149
total january 1 2014 december 31 2007 39756386 $ 81.42 38972900 $ 4149
what was the percent of the total tumber of shares purchased that was not of the shares purchased as part of publicly announced plans or programs