Jan ( N = 2305 )

Feb ( N = 2128 )

Mar ( N = 2343 )

Apr ( N = 2229 )

May ( N = 2183 )

Jun ( N = 2280 )

Jul ( N = 1673 )

Aug ( N = 2354 )

Sep ( N = 2062 )

Oct ( N = 1591 )

Nov ( N = 1411 )

Dec ( N = 2355 )