Chart 10,,,,, Reasons for Unavailability,,,,, ,Unlimited Licensed Mariners,Other Mariners,,, Current employment,42%,36%,,, Family situation,21%,27%,,, Review/update/upgrade license,17%,12%,,, Other,13%,11%,,, Not fit for duty,7%,13%,,, ,,,,, "SOURCE: Bureau of Transportation Statistics, 2001 Mariner Survey Principal Findings",,,,,