Jan ( N = 1855 )

Feb ( N = 1650 )

Mar ( N = 1859 )

Apr ( N = 1799 )

May ( N = 1860 )

Jun ( N = 1228 )

Jul ( N = 1544 )

Aug ( N = 1857 )

Sep ( N = 1801 )

Oct ( N = 1858 )

Nov ( N = 1799 )

Dec ( N = 1366 )