 Because of this, however, it is not for inferring the prevalence within those countries ("table a" provides for this).It contains 135 "Countries with recent internationally comparable adjusted data", 18 "Countries with national data that are neither recent nor comparable internationally", and 41 "Countries with no data".The data represents smoking any tobacco product at the time of the survey including daily and non-daily smoking; the error is with a 95% confidence interval (CI).