These statistics are per the first of the month.
At December 31st, 2013 the OSMF had 518 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)