Jan ( N = 2371 )

Feb ( N = 2147 )

Mar ( N = 2371 )

Apr ( N = 2306 )

May ( N = 2256 )

Jun ( N = 2306 )

Jul ( N = 2294 )

Aug ( N = 2374 )

Sep ( N = 2296 )

Oct ( N = 2384 )

Nov ( N = 2246 )

Dec ( N = 2383 )