March R&D

Book Value Mil History for Microsoft Corporation (MSFT)

Year	Book Value Mil
2003	65,836.1
2004	75,495.42
2005	48,531.7
2006	41,386.83
2007	32,129.5
2008	36,933.0
2009	39,942.24
2010	47,580.91
2011	58,604.26
2012	67,197.4