Jan ( N = 473 )
Feb ( N = 451 )
Mar ( N = 493 )
Apr ( N = 471 )
May ( N = 473 )
Jun ( N = 455 )
Jul ( N = 233 )
Aug ( N = 334 )
Sep ( N = 299 )
Oct ( N = 177 )
Nov ( N = 227 )
Dec ( N = 192 )