total value of msft in 2011

On December 30, 2011, Microsoft (MSFT) had a market capitalization of $172.7B, based on 8.47B shares at a price of $20.41.

DATE CLOSE VOLUME OUTSTANDING MARKET CAP
December 30 2011
$20.41
27,395,700
8,465,000,000
$172,738,483,000.00
December 29 2011
$20.45
22,616,900
8,465,000,000
$173,137,184,500.00
December 28 2011
$20.30
29,822,500
8,465,000,000
$171,806,486,500.00
December 27 2011
$20.47
21,287,200
8,465,000,000
$173,270,085,000.00
December 23 2011
$20.46
23,205,800
8,465,000,000
$173,204,058,000.00
December 22 2011
$20.29
35,794,100
8,465,000,000
$171,739,613,000.00
December 21 2011
$20.25
64,132,500
8,465,000,000
$171,406,938,500.00
December 20 2011
$20.46
60,767,600
8,465,000,000
$173,204,058,000.00
December 19 2011
$20.07
52,258,300
8,465,000,000
$169,877,313,000.00
December 16 2011
$20.44
101,408,100
8,465,000,000
$173,004,284,000.00
December 15 2011
$20.09
46,213,900
8,465,000,000
$170,076,240,500.00
December 14 2011
$20.12
47,926,400
8,465,000,000
$170,276,014,500.00
December 13 2011
$20.25
54,581,100
8,465,000,000
$171,406,938,500.00
December 12 2011
$20.05
38,945,900
8,465,000,000
$169,743,566,000.00
December 09 2011
$20.20
53,788,500
8,465,000,000
$171,008,237,000.00
December 08 2011
$19.97
60,522,200
8,465,000,000
$169,012,190,000.00
December 07 2011
$20.12
62,667,000
8,465,000,000
$170,342,888,000.00
December 06 2011
$20.17
46,175,300
8,465,000,000
$170,741,589,500.00
December 05 2011
$20.20
56,818,400
8,465,000,000
$171,008,237,000.00
December 02 2011
$19.82
52,293,800
8,465,000,000
$167,814,392,500.00
December 01 2011
$19.87
48,545,400
8,465,000,000
$168,213,094,000.00
November 30 2011
$20.11
81,350,900
8,465,000,000
$170,209,987,500.00
November 29 2011
$19.53
40,917,100
8,465,000,000
$165,285,897,000.00
November 28 2011
$19.55
46,766,700
8,465,000,000
$165,485,671,000.00
November 25 2011
$19.10
26,164,600
8,465,000,000
$161,692,504,500.00