Jan ( N = 160 )

Feb ( N = 181 )

Mar ( N = 92 )

Apr ( N = 114 )

May ( N = 190 )

Jun ( N = 152 )

Jul ( N = 173 )

Aug ( N = 227 )

Sep ( N = 206 )

Oct ( N = 248 )

Nov ( N = 219 )

Dec ( N = 248 )