what was amazon's market cap in february 2012

On February 29, 2012, Amazon (AMZN) had a market capitalization of $82.7B, based on 9.2B shares at a price of $8.98.

DATE CLOSE VOLUME OUTSTANDING MARKET CAP
February 29 2012
$8.98
106,050,159
9,200,000,000
$82,657,400,000.00
February 28 2012
$9.19
115,298,138
9,200,000,000
$84,548,000,000.00
February 27 2012
$8.93
74,158,839
9,200,000,000
$82,123,800,000.00
February 24 2012
$8.96
73,383,299
9,200,000,000
$82,399,800,000.00
February 23 2012
$8.94
103,149,299
9,200,000,000
$82,289,400,000.00
February 22 2012
$9.03
115,728,558
9,200,000,000
$83,066,800,000.00
February 21 2012
$9.11
135,179,218
9,200,000,000
$83,839,600,000.00
February 17 2012
$9.13
148,371,258
9,200,000,000
$83,950,000,000.00
February 16 2012
$9.00
251,309,396
9,200,000,000
$82,767,800,000.00
February 15 2012
$9.22
156,041,198
9,200,000,000
$84,856,200,000.00
February 14 2012
$9.57
190,690,877
9,200,000,000
$87,998,000,000.00
February 13 2012
$9.58
121,471,298
9,200,000,000
$88,131,400,000.00
February 10 2012
$9.28
115,969,678
9,200,000,000
$85,348,400,000.00
February 09 2012
$9.25
143,799,878
9,200,000,000
$85,090,800,000.00
February 08 2012
$9.27
109,548,498
9,200,000,000
$85,320,800,000.00
February 07 2012
$9.21
102,089,059
9,200,000,000
$84,727,400,000.00
February 06 2012
$9.16
106,232,899
9,200,000,000
$84,244,400,000.00
February 03 2012
$9.38
162,454,638
9,200,000,000
$86,332,800,000.00
February 02 2012
$9.09
174,777,918
9,200,000,000
$83,591,200,000.00
February 01 2012
$8.97
426,820,574
9,200,000,000
$82,551,600,000.00