Jan ( N = 291 )

Feb ( N = 305 )

Mar ( N = 372 )

Apr ( N = 384 )

May ( N = 430 )

Jun ( N = 451 )

Jul ( N = 496 )

Aug ( N = 431 )

Sep ( N = 343 )

Oct ( N = 370 )

Nov ( N = 324 )

Dec ( N = 225 )