Feb ( N = 1 )

Mar ( N = 780 )

Apr ( N = 744 )

May ( N = 2635 )

Jun ( N = 2276 )

Jul ( N = 1035 )

Aug ( N = 1330 )

Sep ( N = 1290 )

Oct ( N = 1327 )

Nov ( N = 1285 )

Dec ( N = 1327 )