Jan ( N = 2353 )

Feb ( N = 2127 )

Mar ( N = 2355 )

Apr ( N = 2225 )

May ( N = 2131 )

Jun ( N = 2154 )

Jul ( N = 1908 )

Aug ( N = 2219 )

Sep ( N = 2190 )

Oct ( N = 2339 )

Nov ( N = 2230 )

Dec ( N = 2356 )