engine oil check

friends, my 307 hdi vehicle shows the engine oil missing two teeth. On the flat surface, the oil bar is missing in my control. 1 tooth is missing. Do you think it's normal?
http://www.resimekle.com/image/ is
NetWeb 2014-10-12 16:44:12

If you have a deficiency in the service, have your oil completed but they need to find out why it is decreasing, the problem may be caused.

I have 4 teeth in 206, 3 teeth decreased, 1 liter of castrol magnatec 10w40 was added 3 teeth was 11 thousand defects became oil varied

black smoke fire, oil burning vehicle throws blue
Let's see if this is a mobile 1 esp 5w30 bidet motor

My vehicle is 191 thousand years, there is a lot of fat burning, no oil reduction, 7 thousand km is between the lines, the average is 1 1 and a half liter of oil.

an average of 5 thousand km oil change