<p>
I was not referring to a single year – rather, a long range of time from 1993 to 2009. I am of course happy to provide a link. </p>
<p>[Northwestern</a> Data Book: Administration and Planning - Northwestern University](<a href=“http://www.adminplan.northwestern.edu/ir/data-book/index.htm#general]Northwestern”>http://www.adminplan.northwestern.edu/ir/data-book/index.htm#general)</p>