Jan ( N = 93 )
Feb ( N = 84 )
Mar ( N = 93 )
Apr ( N = 90 )
May ( N = 84 )
Jun ( N = 51 )
Jul ( N = 89 )
Aug ( N = 80 )
Sep ( N = 77 )
Oct ( N = 92 )
Nov ( N = 90 )
Dec ( N = 93 )