Jan ( N = 1063 )

Feb ( N = 2081 )

Mar ( N = 1436 )

Apr ( N = 2261 )

May ( N = 2356 )

Jun ( N = 2252 )

Jul ( N = 1809 )

Aug ( N = 2354 )

Sep ( N = 2270 )

Oct ( N = 2327 )

Nov ( N = 2275 )

Dec ( N = 2356 )