Jan ( N = 1481 )

Feb ( N = 1344 )

Mar ( N = 1483 )

Apr ( N = 1438 )

May ( N = 1265 )

Jun ( N = 877 )

Jul ( N = 1473 )

Aug ( N = 1488 )

Sep ( N = 1440 )

Oct ( N = 1488 )

Nov ( N = 1440 )

Dec ( N = 1481 )