Income in the northeast, the poorest part of the country, rose by 46 percent from 2001 to 2006. Nationwide poverty fell from 21.3 to 11.3 percent. Thailand's Gini coefficient, a measure of income inequality, fell from .525 in 2000 to .499 in 2004 (it had risen from 1996 to 2000). The Stock Exchange of Thailand outperformed other markets in the region. After facing fiscal deficits in 2001 and 2002, Thaksin balanced the national budget, producing comfortable fiscal surpluses for 2003 to 2005. Despite a massive program of infrastructure investments, a balanced budget was projected for 2007. Public sector debt fell from 57 percent of GDP in January 2001 to 41 percent in September 2006. Foreign exchange reserves doubled from US$30 billion in 2001 to US$64 billion in 2006.