Don’t know. But I am in the top 1% of this country regarding income as an engineer (staff/fellow level). I don’t work more than 32h-35h per week - actually I never have and was never expected to. Living and working in a sane society and country. I fanatically turn off work email or work msgs when not working. I am not available for no one. Not even the C-levels or any clients. I concentrate on me and my family. No need to be a slave to “commitments” that don’t mean a thing in the long run.