Jan ( N = 2353 )

Feb ( N = 2127 )

Mar ( N = 2355 )

Apr ( N = 2247 )

May ( N = 2243 )

Jun ( N = 2279 )

Jul ( N = 2288 )

Aug ( N = 2355 )

Sep ( N = 2273 )

Oct ( N = 2355 )

Nov ( N = 2230 )

Dec ( N = 2356 )