This Trends in College Spending update finds that subsidies for public higher education institutions have hit a 10-year low, while students for the first time pay on average half or more of their education’s cost. Additionally, community colleges are posting the lowest level of spending per student in a decade. The updated report presents national-level estimates for the Delta Cost Project data metrics during the period 2001–11.
http://www.air.org/resource/trends-college-spending-2001-2011