Jan ( N = 1334 )

Feb ( N = 1270 )

Mar ( N = 1426 )

Apr ( N = 1352 )

May ( N = 1423 )

Jun ( N = 1380 )

Jul ( N = 1422 )

Aug ( N = 1335 )

Sep ( N = 1368 )

Oct ( N = 1418 )

Nov ( N = 1378 )

Dec ( N = 1421 )