Years of Physics Graduate Study to Earn a PhD, Classes of 2010 & 2011 Combined
- Astronomy Departments Averaging 5 or More Astronomy Doctorate’s per Year, Classes of 2008, 2009 and 2010
- Number of Doctoral-Granting Departments by the Average Number of PhDs Conferred, Classes of 2006, 2007 & 2008 Combined
- Physics Doctorates Conferred, Academic Years 2002-2012
- Number of Doctorates Degrees Earned in Astronomy.
- Citizenship of Physics PhDs, 1969 through 2008