Jan ( N = 160 )

Feb ( N = 229 )

Mar ( N = 237 )

Apr ( N = 218 )

May ( N = 204 )

Jun ( N = 92 )

Jul ( N = 154 )

Aug ( N = 251 )

Sep ( N = 250 )

Oct ( N = 271 )

Nov ( N = 233 )

Dec ( N = 112 )