Jan ( N = 1376 )

Feb ( N = 1220 )

Mar ( N = 966 )

Apr ( N = 424 )

May ( N = 1238 )

Jun ( N = 1187 )

Jul ( N = 1226 )

Aug ( N = 1250 )

Sep ( N = 1292 )

Oct ( N = 1370 )

Nov ( N = 1318 )

Dec ( N = 1375 )