Jan ( N = 2044 )

Feb ( N = 1875 )

Mar ( N = 1998 )

Apr ( N = 1583 )

May ( N = 2121 )

Jun ( N = 1772 )

Jul ( N = 2149 )

Aug ( N = 2039 )

Sep ( N = 1825 )

Oct ( N = 1927 )

Nov ( N = 1954 )

Dec ( N = 2070 )