Jan ( N = 1208 )

Feb ( N = 1130 )

Mar ( N = 1206 )

Apr ( N = 1741 )

May ( N = 3087 )

Jun ( N = 3756 )

Jul ( N = 4185 )

Aug ( N = 4071 )

Sep ( N = 2947 )

Oct ( N = 1199 )

Nov ( N = 1169 )

Dec ( N = 1170 )