Jan ( N = 207 )

Feb ( N = 287 )

Mar ( N = 433 )

Apr ( N = 540 )

May ( N = 696 )

Jun ( N = 658 )

Jul ( N = 711 )

Aug ( N = 590 )

Sep ( N = 439 )

Oct ( N = 344 )

Nov ( N = 229 )

Dec ( N = 181 )