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BTS Home > Programs > Omnibus Surveys > Targeted Survey > Mariner Survey > 2002
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Table 5. Length of Future Service

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Time Period Unlimited License Mariners Unlicensed Mariners
4 years or less 34% 24%
5-9 years 23% 18%
10-14 years 19% 19%
15-19 years 11% 14%
20 or more years 14% 25%

SOURCE:  U.S. Department of Transportation, Bureau of Transportation Statistics and Maritime Administration, 2002 Mariner Survey, Principal Findings, Washington, DC.

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