Usually they all get paid more or less the same since compensation is directly tied to the job title/rank and other public criteria. This information (in aggreg

Usually they all get paid more or less the same since compensation is directly tied to the job title/rank and other public criteria. This information (in aggregate) shouldn't ever be non-public (under any circumstances) due to obvious reason. So even if your specific salary/wage is not published anyone who knows what's your specific title/job would be able to estimate it somewhat accurately.