Melon actually have a weekly top 20 album chart
The problem is they don't have a minimum number of tracks required to chart there, that's why the chart is filled by stand alone singles. They also count separated releases as different albums so there are bizarre things like Dynamite charting aside of Be, is truly a travesty of an album chart
And yes, album consumption in Korea is small to a point that 10 singles can outnumber entire albums
But anyway, here is the last ranking: