Jan ( N = 86 )

Feb ( N = 62 )

Mar ( N = 235 )

Apr ( N = 183 )

May ( N = 139 )

Jun ( N = 131 )

Jul ( N = 119 )

Aug ( N = 87 )

Sep ( N = 217 )

Oct ( N = 228 )

Nov ( N = 242 )

Dec ( N = 247 )