Jan ( N = 2030 )

Feb ( N = 1865 )

Mar ( N = 509 )

Apr ( N = 2151 )

May ( N = 2366 )

Jun ( N = 1806 )

Jul ( N = 2137 )

Aug ( N = 2144 )

Sep ( N = 2254 )

Oct ( N = 2294 )

Nov ( N = 2188 )

Dec ( N = 1907 )