Jan ( N = 232 )

Feb ( N = 224 )

Mar ( N = 247 )

Apr ( N = 227 )

May ( N = 258 )

Jun ( N = 227 )

Jul ( N = 248 )

Aug ( N = 247 )

Sep ( N = 241 )

Oct ( N = 270 )

Nov ( N = 248 )

Dec ( N = 241 )