Jan ( N = 321 )

Feb ( N = 303 )

Mar ( N = 334 )

Apr ( N = 330 )

May ( N = 333 )

Jun ( N = 329 )

Jul ( N = 340 )

Aug ( N = 341 )

Sep ( N = 218 )

Oct ( N = 117 )

Nov ( N = 449 )

Dec ( N = 524 )