Feb ( N = 309 )

Mar ( N = 502 )

Apr ( N = 1024 )

May ( N = 1105 )

Jun ( N = 1068 )

Jul ( N = 1057 )

Aug ( N = 1050 )

Sep ( N = 1063 )

Oct ( N = 1107 )

Nov ( N = 1074 )

Dec ( N = 1089 )