Jan ( N = 2139 )

Feb ( N = 1930 )

Mar ( N = 1990 )

Apr ( N = 1980 )

May ( N = 2139 )

Jun ( N = 1994 )

Jul ( N = 2139 )

Aug ( N = 2122 )

Sep ( N = 1036 )

Oct ( N = 2127 )

Nov ( N = 1598 )

Dec ( N = 1480 )