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BTS Home > Programs > Omnibus Surveys > Targeted Survey > Mariner Survey > 2002
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Table 9. Length of Service

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  Unlimited License Mariners Unlicensed Mariners
Length of tour    
2 months or less 16% 18%
3-4 months 38% 26%
5-6 months 16% 19%
>6 months 30% 37%
Length of break between tours    
2 months or less 53% 71%
3-4 months 39% 19%
5-6 months 5% 6%
>6 months 3% 4%
Optimal number of tours    
1 6% 7%
2 27% 21%
3 18% 16%
4 or more 49% 56%

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

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