Jan ( N = 356 )

Feb ( N = 370 )

Mar ( N = 430 )

Apr ( N = 393 )

May ( N = 399 )

Jun ( N = 339 )

Jul ( N = 359 )

Aug ( N = 402 )

Sep ( N = 396 )

Oct ( N = 390 )

Nov ( N = 419 )

Dec ( N = 430 )