Jan ( N = 300 )
Feb ( N = 268 )
Mar ( N = 300 )
Apr ( N = 141 )
May ( N = 76 )
Jun ( N = 83 )
Jul ( N = 51 )
Aug ( N = 73 )
Sep ( N = 86 )
Oct ( N = 91 )
Nov ( N = 89 )
Dec ( N = 98 )