Jan ( N = 77 )

Feb ( N = 21 )

Mar ( N = 91 )

Apr ( N = 83 )

May ( N = 65 )

Jun ( N = 3 )

Jul ( N = 87 )

Aug ( N = 93 )

Sep ( N = 90 )

Oct ( N = 93 )

Nov ( N = 69 )

Dec ( N = 93 )