A prospective cohort study was conducted over five years to explore if binge-drinking of alcohol and liver cirrhosis (a form of liver cancer) were related, using a population-based sample of adults between 20 to 60 years of age. Among 5922 adults who reported regular binge-drinking of alcohol, 1373 developed liver cirrhosis during the five-year follow up period. Among those who were not involved in any binge-drinking, a total of 14074 adults, there were 195 new cases of liver cancer diagnosed during the follow up period. Calculate a suitable measure to find out if there is infact association between binge-drinking of alcohol and liver cancer. Type in only your final answer with two decimals, please.