Jan ( N = 2263 )

Feb ( N = 1919 )

Mar ( N = 2256 )

Apr ( N = 2189 )

May ( N = 2246 )

Jun ( N = 1972 )

Jul ( N = 1875 )

Aug ( N = 2118 )

Sep ( N = 2183 )

Oct ( N = 2248 )

Nov ( N = 2172 )

Dec ( N = 2029 )