Jan ( N = 2356 )

Feb ( N = 2122 )

Mar ( N = 2356 )

Apr ( N = 2276 )

May ( N = 2349 )

Jun ( N = 2259 )

Jul ( N = 2356 )

Aug ( N = 2353 )

Sep ( N = 2279 )

Oct ( N = 2325 )

Nov ( N = 1330 )

Dec ( N = 2350 )