Yes, it is zero now. I'm completely disappointed to find job positin abroad.
Funny thing is, our salary was equal to 1400 USD about two months ago, and now (after US & Eu sanctions that resulted high rise in USD value in comparison to Iranian currency) our salary is about 600 USD!!! Enough encouragement to work on this very stressful job!
So, Despite I love ATC, I started to study another subject to change the job