Jan ( N = 1450 )

Feb ( N = 1312 )

Mar ( N = 1448 )

Apr ( N = 1401 )

May ( N = 1442 )

Jun ( N = 1378 )

Jul ( N = 1432 )

Aug ( N = 1458 )

Sep ( N = 1406 )

Oct ( N = 1349 )

Nov ( N = 1379 )

Dec ( N = 1388 )