Jan ( N = 97 )

Feb ( N = 18 )

Mar ( N = 961 )

Apr ( N = 929 )

May ( N = 960 )

Jun ( N = 921 )

Jul ( N = 949 )

Aug ( N = 962 )

Sep ( N = 930 )

Oct ( N = 961 )

Nov ( N = 930 )

Dec ( N = 957 )