From Mondaq.com: Prior to the global financial crisis, the Islamic banking, finance, insurance (takaful) and investment markets were riding a wave of unprecedented growth.
Banking was growing 15-30 percent annually, with trading levels having increased from US$70 billion in 2005 to US$300 billion in 2008. The takaful industry was growing at an annual rate of 20 percent. The asset growth rate in the Islamic finance industry from 2005-2008 was 400 percent with the industry worth more than one trillion dollars in early 2008……………………………………Full Article: Source