Jan ( N = 619 )

Feb ( N = 1468 )

Mar ( N = 972 )

Apr ( N = 2881 )

May ( N = 2977 )

Jun ( N = 1991 )

Jul ( N = 2853 )

Aug ( N = 2040 )

Sep ( N = 2383 )

Oct ( N = 2852 )

Nov ( N = 2880 )

Dec ( N = 2973 )