Jan ( N = 1405 )

Feb ( N = 1372 )

Mar ( N = 1517 )

Apr ( N = 1459 )

May ( N = 1427 )

Jun ( N = 1470 )

Jul ( N = 817 )

Aug ( N = 1069 )

Sep ( N = 1469 )

Oct ( N = 1519 )

Nov ( N = 1434 )

Dec ( N = 1517 )