Jan ( N = 263 )
Feb ( N = 435 )
Mar ( N = 476 )
Apr ( N = 459 )
May ( N = 493 )
Jun ( N = 293 )
Jul ( N = 306 )
Aug ( N = 430 )
Sep ( N = 389 )
Oct ( N = 347 )
Nov ( N = 395 )
Dec ( N = 465 )