Jan ( N = 138 )

Feb ( N = 126 )

Mar ( N = 142 )

Apr ( N = 1169 )

May ( N = 1210 )

Jun ( N = 1171 )

Jul ( N = 1171 )

Aug ( N = 1211 )

Sep ( N = 1173 )

Oct ( N = 1184 )

Nov ( N = 1170 )

Dec ( N = 1148 )