On 2014 Nov 22, at 20:07, Tami Williams <[log in to unmask]> wrote:

1 person = 1 TYPE of registration record per year.

1 person can have 1 type A registration for 2010 and 1 type B registration for 2010 and 1 type A registration for 2012.


So do you want to count that as 1 PERSON or as 2 REGISTRATIONS for 2010?