NASA PSD ROSES statistics http://science.nasa.gov/media/medialibrary/2014/04/14/PSD_ROSES_Stats_as_of_April_2014.pdf
PSD Budget spreadsheet (3 year trend to 2012) planetary_ra_program_budgets_2010-2012.xls
PSD Budget trends (up to 2010) psdrnabudgetsfy10.pdf
R&A Presentation by Jonathan Rall r_a_presentation_rall-20141104.pptx