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 )