Jan ( N = 536 )

Feb ( N = 864 )

Mar ( N = 1312 )

Apr ( N = 1318 )

May ( N = 918 )

Jun ( N = 571 )

Jul ( N = 749 )

Aug ( N = 752 )

Sep ( N = 1061 )

Oct ( N = 1167 )

Nov ( N = 537 )

Dec ( N = 1244 )