Jan ( N = 70 )

Feb ( N = 200 )

Mar ( N = 290 )

Apr ( N = 303 )

May ( N = 323 )

Jun ( N = 288 )

Jul ( N = 309 )

Aug ( N = 308 )

Sep ( N = 307 )

Oct ( N = 125 )

Nov ( N = 220 )

Dec ( N = 111 )