Do bartenders, as an occupational demographic, suffer higher rates of alcoholism or alcohol abuse? - or lower rates owing to them seeing first-hand what alcohol

Do bartenders, as an occupational demographic, suffer higher rates of alcoholism or alcohol abuse? - or lower rates owing to them seeing first-hand what alcoholism looks like? Does this include people who do bartending as a short-term job or gig (like students, the under-employed, people transitioning between careers)?