Jan ( N = 576 )

Feb ( N = 2109 )

Mar ( N = 2196 )

Apr ( N = 2223 )

May ( N = 2257 )

Jun ( N = 2105 )

Jul ( N = 1816 )

Aug ( N = 1673 )

Sep ( N = 1936 )

Oct ( N = 1859 )

Nov ( N = 1884 )

Dec ( N = 2228 )