p = peripheral.wrap("right")

function lastTen()
	count = 0
	for i = 1, 10 do
		count1 = p.getStoredItems()["qty"]
		os.sleep(1)
		count2 = p.getStoredItems()["qty"]
		count = count2 - count1 + count
	end
	return(count / 10)
end

while true do
	print(lastTen())
end