Jan ( N = 144 )

Feb ( N = 132 )

Mar ( N = 153 )

Apr ( N = 274 )

May ( N = 336 )

Jun ( N = 332 )

Jul ( N = 344 )

Aug ( N = 340 )

Sep ( N = 328 )

Oct ( N = 343 )

Nov ( N = 310 )

Dec ( N = 208 )