Jan ( N = 244 )

Feb ( N = 242 )

Mar ( N = 238 )

Apr ( N = 223 )

May ( N = 180 )

Jun ( N = 183 )

Jul ( N = 153 )

Aug ( N = 247 )

Sep ( N = 104 )

Oct ( N = 97 )

Nov ( N = 235 )

Dec ( N = 263 )