Jan ( N = 288 )
Feb ( N = 289 )
Mar ( N = 353 )
Apr ( N = 397 )
May ( N = 399 )
Jun ( N = 317 )
Jul ( N = 469 )
Aug ( N = 428 )
Sep ( N = 366 )
Oct ( N = 319 )
Nov ( N = 247 )
Dec ( N = 255 )