Jan ( N = 1340 )

Feb ( N = 1272 )

Mar ( N = 1425 )

Apr ( N = 1377 )

May ( N = 1424 )

Jun ( N = 1371 )

Jul ( N = 1423 )

Aug ( N = 1385 )

Sep ( N = 1370 )

Oct ( N = 1419 )

Nov ( N = 1378 )

Dec ( N = 1421 )