Jan ( N = 991 )
Feb ( N = 890 )
Mar ( N = 988 )
Apr ( N = 908 )
May ( N = 992 )
Jun ( N = 940 )
Jul ( N = 981 )
Aug ( N = 984 )
Sep ( N = 955 )
Oct ( N = 981 )
Nov ( N = 940 )
Dec ( N = 990 )