Jan ( N = 1411 )

Feb ( N = 1278 )

Mar ( N = 1408 )

Apr ( N = 1371 )

May ( N = 1361 )

Jun ( N = 1371 )

Jul ( N = 1400 )

Aug ( N = 1383 )

Sep ( N = 1378 )

Oct ( N = 1418 )

Nov ( N = 1353 )

Dec ( N = 1417 )