Jan ( N = 88 )

Feb ( N = 93 )

Mar ( N = 240 )

Apr ( N = 170 )

May ( N = 232 )

Jun ( N = 197 )

Jul ( N = 223 )

Aug ( N = 203 )

Sep ( N = 224 )

Oct ( N = 229 )

Nov ( N = 235 )

Dec ( N = 247 )