jmLÉIn July 2010 when 1MB limit was put in place, average block size was ~0.0003MB and it took 6 years to fill them up. I hope BCH will fill up faster but at least we are safe from high fees for few years.
https://whatsonchain.com/tx/5a436728da1ea45c2b08bba53ab5947d390dc32297dc804a662611319d656213