“Census Bureau Reports State Retirement Systems Assets Rise $214 Billion in 2010 and Show First Increase in Investment Earnings Since 2007″ (CB12-19, Jan. 26, 2012). The news release links to data updates at the 2010 Annual Survey of Public-Employee Retirement Systems: State-Administered Pensions site (HTML, ASCII text, and Micorosoft Excel formats).
www.census.gov/newsroom/releases/archives/governments/cb12-19.html