<p>Enrollment data: Cumulative number of people enrolled for each Software Carpentry workshop where attendance numbers were noted. N.B. Enrolment figures are somewhat imprecise: individuals that attended on day 1 but not day 2 were included, while those that attended without registration were not included. Hopefully these two effects more or less cancel out and should should not detract from the overall trend displayed.</p>
<p>Workshop data: Dates of all Software Carpentry workshops held to date.</p
