Jan ( N = 2381 )

Feb ( N = 2127 )

Mar ( N = 2377 )

Apr ( N = 2294 )

May ( N = 2387 )

Jun ( N = 2310 )

Jul ( N = 2391 )

Aug ( N = 2380 )

Sep ( N = 2098 )

Oct ( N = 2380 )

Nov ( N = 2309 )

Dec ( N = 2309 )