Jan ( N = 990 )

Feb ( N = 894 )

Mar ( N = 990 )

Apr ( N = 957 )

May ( N = 974 )

Jun ( N = 953 )

Jul ( N = 991 )

Aug ( N = 988 )

Sep ( N = 958 )

Oct ( N = 928 )

Nov ( N = 518 )

Dec ( N = 990 )