Jan ( N = 583 )

Feb ( N = 2229 )

Mar ( N = 2385 )

Apr ( N = 2189 )

May ( N = 2269 )

Jun ( N = 2215 )

Jul ( N = 1946 )

Aug ( N = 1919 )

Sep ( N = 2076 )

Oct ( N = 2381 )

Nov ( N = 2292 )

Dec ( N = 2254 )