Jan ( N = 930 )

Feb ( N = 833 )

Mar ( N = 767 )

Apr ( N = 656 )

May ( N = 47 )

Jan ( N = 928 )

Feb ( N = 835 )

Mar ( N = 929 )

Apr ( N = 899 )

May ( N = 874 )

Jun ( N = 900 )

Jul ( N = 929 )

Aug ( N = 921 )

Sep ( N = 899 )

Oct ( N = 929 )

Nov ( N = 899 )

Dec ( N = 929 )