Jan ( N = 83 )

Feb ( N = 378 )

Mar ( N = 1107 )

Apr ( N = 1066 )

May ( N = 967 )

Jun ( N = 830 )

Jul ( N = 490 )

Aug ( N = 1165 )

Sep ( N = 695 )

Oct ( N = 1054 )

Nov ( N = 972 )

Dec ( N = 1160 )