Analyze the sentiment of this statement extracted from a financial news article. Provide your answer as either negative, positive, or neutral.
Text: MegaFon 's subscriber base increased 16.1 % in 2009 to 50.5 million users as of December 31 , while its market share by the number of customers amounted to 24 % as of late 2009 , up from 23 % as of late 2008 , according to TeliaSonera estimates .
Answer:
positive