Jan ( N = 2364 )

Feb ( N = 2154 )

Mar ( N = 2387 )

Apr ( N = 2285 )

May ( N = 2343 )

Jun ( N = 2140 )

Jul ( N = 2103 )

Aug ( N = 2246 )

Sep ( N = 2307 )

Oct ( N = 2370 )

Nov ( N = 2296 )

Dec ( N = 2323 )