Jan ( N = 1967 )

Feb ( N = 2066 )

Mar ( N = 2288 )

Apr ( N = 2288 )

May ( N = 2364 )

Jun ( N = 2303 )

Jul ( N = 2380 )

Aug ( N = 2379 )

Sep ( N = 2302 )

Oct ( N = 2211 )

Nov ( N = 1947 )

Dec ( N = 1654 )