Complex sentence: AFP has grown from nine state chapters in 2006, Phillip's first year as president, to 31 chapters in 2010 extending their membership roll to 1.5 million activists from all 50 states.
Split into simpler sentences: AFP has grown from nine state chapters in 2006, Phillip's first year as president, to 31 chapters in 2010. Bringing their membership roll to 1.5 million activists from all 50 states.