Jan ( N = 297 )

Feb ( N = 309 )

Mar ( N = 328 )

Apr ( N = 332 )

May ( N = 340 )

Jun ( N = 293 )

Jul ( N = 195 )

Aug ( N = 226 )

Sep ( N = 252 )

Oct ( N = 280 )

Nov ( N = 193 )

Dec ( N = 150 )