Jan ( N = 89 )

Feb ( N = 63 )

Mar ( N = 241 )

Apr ( N = 191 )

May ( N = 155 )

Jun ( N = 135 )

Jul ( N = 127 )

Aug ( N = 92 )

Sep ( N = 221 )

Oct ( N = 159 )

Nov ( N = 125 )

Dec ( N = 247 )