Jan ( N = 632 )

Feb ( N = 1048 )

Mar ( N = 1164 )

Apr ( N = 1108 )

May ( N = 1102 )

Jun ( N = 1123 )

Jul ( N = 1049 )

Aug ( N = 1171 )

Sep ( N = 1109 )

Oct ( N = 1164 )

Nov ( N = 1072 )

Dec ( N = 652 )