The National Center for Public Policy and Higher Education recently released their report for 2011. (http://www.highereducation.org/reports/reports_center.shtml) When you go to this link you can pick another year if you want to do a comparison. This site measures the progress of higher eduction overall in the country and on a state by state basis.
While Pennsylvania's numbers have improved over the past two decades, the affordability of higher education in Pennsylvania ranks is one of the lowest in the country. The study shows that the percentage of income, after financial aid, to afford college is very high here, which makes the affordability low.
You can check out your state's rating at http://www.highereducation.org/reports/reports_center.shtml