Jan ( N = 329 )

Feb ( N = 413 )

Mar ( N = 450 )

Apr ( N = 424 )

May ( N = 283 )

Jun ( N = 430 )

Jul ( N = 453 )

Aug ( N = 461 )

Sep ( N = 443 )

Oct ( N = 460 )

Nov ( N = 442 )

Dec ( N = 443 )