Jan ( N = 306 )

Feb ( N = 263 )

Mar ( N = 307 )

Apr ( N = 284 )

May ( N = 307 )

Jun ( N = 298 )

Jul ( N = 307 )

Aug ( N = 307 )

Sep ( N = 298 )

Oct ( N = 215 )

May ( N = 200 )

Jun ( N = 295 )

Jul ( N = 261 )

Aug ( N = 307 )

Sep ( N = 146 )

Jan ( N = 310 )

Feb ( N = 100 )

Mar ( N = 192 )

Apr ( N = 262 )

May ( N = 297 )

Jun ( N = 240 )

Jul ( N = 310 )

Aug ( N = 309 )

Sep ( N = 301 )

Oct ( N = 260 )

Jan ( N = 93 )

Feb ( N = 48 )

Mar ( N = 102 )

Apr ( N = 120 )

May ( N = 103 )

Jun ( N = 53 )

Jul ( N = 182 )

Aug ( N = 282 )

Sep ( N = 176 )

Oct ( N = 120 )

Nov ( N = 60 )

Dec ( N = 310 )