Microsoft does not provide such statistics so know one knows :-)
Jeff Wharton
MSysDev (C.Sturt), MDbDsgnMgt (C.Sturt) MCT, MCPD, MCITP, MCDBA
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Mr. Wharty's Ramblings
Please mark solved if I've answered your question, vote for it as helpful to help other user's find a solution quicker