This dataset presents a grid where each cell has 0.01 degrees by 0.01 degrees. Each line present the geographic position of cell center and the counting of AIS contacts registered in the year 2017 (Grid number 6) .

This dataset presents a grid where each cell has 0.01 degrees by 0.01 degrees. Each line present the geographic position of cell center and the counting of AIS contacts registered in the year 2017 (Grid number 4) .

This dataset presents a grid where each cell has 0.01 degrees by 0.01 degrees. Each line present the geographic position of cell center and the counting of AIS contacts registered in the year 2017 (Grid number 1) .

This dataset presents a grid where each cell has 0.01 degrees by 0.01 degrees. Each line present the geographic position of cell center and the counting of AIS contacts registered in the year 2017 (Grid number 23) .

This dataset presents a grid where each cell has 0.01 degrees by 0.01 degrees. Each line present the geographic position of cell center and the counting of AIS contacts registered in the year 2017 (Grid number 9) .

This dataset presents a grid where each cell has 0.01 degrees by 0.01 degrees. Each line present the geographic position of cell center and the counting of AIS contacts registered in the year 2017 (Grid number 33) .

This dataset presents a grid where each cell has 0.01 degrees by 0.01 degrees. Each line present the geographic position of cell center and the counting of AIS contacts registered in the year 2017 (Grid number 24) .

This dataset presents a grid where each cell has 0.01 degrees by 0.01 degrees. Each line present the geographic position of cell center and the counting of AIS contacts registered in the year 2017 (Grid number 5) .

This dataset presents a grid where each cell has 0.01 degrees by 0.01 degrees. Each line present the geographic position of cell center and the counting of AIS contacts registered in the year 2017 (Grid number 18) .

This dataset presents a grid where each cell has 0.01 degrees by 0.01 degrees. Each line present the geographic position of cell center and the counting of AIS contacts registered in the year 2017 (Grid number 1) .