These statistics are per the first of the month. Explanation of the headers can be found at the bottom of this page.
At December 31st, 2013 the OSMF had 519 members.
- M = Total number members at the first of the month
- N = New members in previous month
- R = Members up for renewal this month
- L = Lapsed members (behind on payment) at the first of the month
- T = Terminated memberships in previous month (more than a year behind on payment)