Jan ( N = 58 )

Feb ( N = 261 )

Mar ( N = 846 )

Apr ( N = 886 )

May ( N = 655 )

Jun ( N = 966 )

Jul ( N = 880 )

Aug ( N = 939 )

Sep ( N = 976 )

Oct ( N = 1016 )

Nov ( N = 949 )

Dec ( N = 1051 )