Jan ( N = 152 )

Feb ( N = 321 )

Mar ( N = 514 )

Apr ( N = 510 )

May ( N = 527 )

Jun ( N = 509 )

Jul ( N = 524 )

Aug ( N = 527 )

Sep ( N = 322 )

Apr ( N = 169 )

May ( N = 516 )

Jun ( N = 510 )

Jul ( N = 527 )

Aug ( N = 527 )

Sep ( N = 510 )

Oct ( N = 527 )

Nov ( N = 509 )

Dec ( N = 346 )