Jan ( N = 1340 )

Feb ( N = 1271 )

Mar ( N = 1425 )

Apr ( N = 1378 )

May ( N = 1407 )

Jun ( N = 1378 )

Jul ( N = 1423 )

Aug ( N = 1380 )

Sep ( N = 1372 )

Oct ( N = 1420 )

Nov ( N = 1379 )

Dec ( N = 1420 )