Table 4.1.4 Voyage days and Escort days for the 25BC as statistical value for 1957-1990 at S-route;7330NM

　

Table 4.1.5 Voyage days and Escort days for the 40BC as statistical value for 1957-1990 at N-route;7196NM

　

Table 4.1.6 Voyage days and Escort days for the 50BC as statistical value for 1957-1990 at N-route;7196NM

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