Jan ( N = 313 )

Feb ( N = 331 )

Mar ( N = 402 )

Apr ( N = 390 )

May ( N = 395 )

Jun ( N = 355 )

Jul ( N = 383 )

Aug ( N = 403 )

Sep ( N = 390 )

Oct ( N = 250 )

Mar ( N = 136 )

Apr ( N = 218 )

May ( N = 399 )

Jun ( N = 390 )

Jul ( N = 347 )

Aug ( N = 401 )

Sep ( N = 390 )

Oct ( N = 374 )

Nov ( N = 299 )

Dec ( N = 292 )