Jan ( N = 1858 )

Feb ( N = 1680 )

Mar ( N = 1860 )

Apr ( N = 1785 )

May ( N = 1860 )

Jun ( N = 1737 )

Jul ( N = 1849 )

Aug ( N = 1859 )

Sep ( N = 1800 )

Oct ( N = 1858 )

Nov ( N = 1795 )

Dec ( N = 1856 )