Jan ( N = 1160 )

Feb ( N = 1013 )

Mar ( N = 1166 )

Apr ( N = 949 )

May ( N = 1002 )

Jun ( N = 1024 )

Jul ( N = 948 )

Aug ( N = 951 )

Sep ( N = 869 )

Oct ( N = 1001 )

Nov ( N = 955 )

Dec ( N = 985 )