Jan ( N = 2312 )

Feb ( N = 2148 )

Mar ( N = 2310 )

Apr ( N = 2226 )

May ( N = 2094 )

Jun ( N = 2245 )

Jul ( N = 2244 )

Aug ( N = 2372 )

Sep ( N = 2222 )

Oct ( N = 2287 )

Nov ( N = 2008 )

Dec ( N = 2216 )