Jan ( N = 183 )
Feb ( N = 177 )
Mar ( N = 188 )
Apr ( N = 199 )
May ( N = 140 )
Jan ( N = 14 )
Feb ( N = 116 )
Mar ( N = 168 )
Apr ( N = 165 )
May ( N = 176 )
Jun ( N = 180 )
Jul ( N = 183 )
Aug ( N = 188 )
Sep ( N = 181 )
Oct ( N = 188 )
Nov ( N = 177 )
Dec ( N = 187 )
Jan ( N = None )
Apr ( N = None )
May ( N = 224 )
Jun ( N = 3 )
Jul ( N = 2 )
Sep ( N = 113 )
Oct ( N = 153 )
Nov ( N = 119 )
Dec ( N = 50 )