Jan ( N = 859 )

Feb ( N = 1050 )

Mar ( N = 1093 )

Apr ( N = 1066 )

May ( N = 1100 )

Jun ( N = 1052 )

Jul ( N = 1145 )

Aug ( N = 1146 )

Sep ( N = 1108 )

Oct ( N = 1141 )

Nov ( N = 1049 )

Dec ( N = 1147 )