Jan ( N = 1001 )

Feb ( N = 493 )

Mar ( N = 1005 )

Apr ( N = 1132 )

May ( N = 1132 )

Jun ( N = 740 )

Jul ( N = 544 )

Aug ( N = 822 )

Sep ( N = 499 )

Oct ( N = 225 )

Nov ( N = 433 )

Dec ( N = 1172 )