Jan ( N = 580 )

Feb ( N = 2164 )

Mar ( N = 2308 )

Apr ( N = 2226 )

May ( N = 1897 )

Jun ( N = 1771 )

Jul ( N = 1062 )

Aug ( N = 1678 )

Sep ( N = 2135 )

Oct ( N = 2377 )

Nov ( N = 2294 )

Dec ( N = 2332 )