Jan ( N = 89 )

Feb ( N = 63 )

Mar ( N = 238 )

Apr ( N = 169 )

May ( N = 143 )

Jun ( N = 134 )

Jul ( N = 122 )

Aug ( N = 87 )

Sep ( N = 219 )

Oct ( N = 227 )

Nov ( N = 243 )

Dec ( N = 246 )