Table 17,,, Vessel Experience Using an Engineer License,,, Types of Vessels,1999-2002,Prior to 1999,None Tanker,23%,46%,31% Container Ship,19%,27%,54% Roll-on/Roll-off (RoRo),16%,24%,60% Bulk ,13%,27%,60% Break Bulk,7%,35%,58% Ocean Towing,6%,14%,80% Oil-Gas-Mineral,4%,10%,86% Gas Carrier,3%,7%,90% Fishing,3%,7%,90% Other vessels,23%,33%,44% "SOURCE: U.S. Department of Transportation, Bureau of Transportation Statistics and Maritime Administration, 2002 Mariner Survey, Principal Findings, Washington, DC.",,,