When it comes to mobile phone sales data, the best way to get meaningful data is to cover as much as possible, and get a weighted average afterwards. The next morsel of data comes from IDC; who have analyzed phone sales in Q3 2010.
According to them, the data looks as following:

Regarding Sony Ericsson, IDC adds the following:
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SonyEricsson, which shipped 10.4 million units in 3Q10, fell off the Top 5 list for the first time since the Tracker was conceived in 2004.
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For me, this is unsurprising – keep in mind that it also includes dumbphones…
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